## What is the kinetic energy of a 0.135kg baseball thrown at 40.0m/s? – Brainly.com

Pre-advanced Physics at Connexus University There will be a final test with all right answers. And you’d best be really appreciative since it took me a long time to spell everything down for you all. 1) Among the steps of the scientific process are the following:. A. Analyzing and interpreting results 2)The Earth’s circumference is measured in. B. 6.37 x 103.3 kilometers 3)Which of the following equations is the most accurate representation of. D. y = 1/2×4)In the graph, which of the following is the most accurate description.

Opposite of the positive position In this section, we will discuss how a ball moves on an inclined plane.

vi6)Gravitational acceleration is another term for this phenomenon.

the acceleration of free fall What is a physical amount, and which of the following is it:.

- 8)A vector is a unit of measurement in a coordinate system.
- Cosmides (theta) Projectile motion may be shown by which of the following examples?
- A.
- C.
- A change in the gravitational force exerted on the Earth (A.
- Body Mass Index (BMI) The next day, a passenger on a bus traveling east notices a man waiting on a curb.
- go westward at a rate equivalent to the bus’s rate of progress.

When traveling on level ground, B.

16)How much kinetic energy does a 0.135 kg baseball have when it is hurled at 40.0 m/s?

108 J17) Which of the following is the total of kinetic energy.

18.

B.

B.

A pair of skaters stands facing each other, with D.

B.

21)In an inelastic collision.D.

22)In an elastic collision.D.

22)When an object moves in a uniform circular motion, the tangential speedC.

23)Which of the following units would be the most appropriate to use to calculate.

Newtons is a fictional character created by author A.

What impact will the speed of Earth’s orbit around the sun have on our lives.

There would be no difference in speed.

The conservation of mechanical energy (B.

The total amount of energy must stay constant.

balcony with a length of 43 meters.

25000 joules 28)If you have two little beakers of water, one at 70 degrees Celsius and the other at 80 degrees Celsius.

The ultimate temperature is between 70 and 80 degrees Celsius.

29) The friction between the sandpaper and the metal.

D.

If the pressure remains constant.

0 J A.

32) C.

A The entropy of the system grows, and the overall entropy of the cosmos increases as a result.

D.

D.

B.

A.

15 N.

15 N.

15 N 39)Why does it appear to be more difficult to begin moving a couch on a carpeted floor than.

When an item begins at rest, the opposing force of friction is stronger than when the object begins at rest.

Gravitational acceleration Equals mass times gravitational acceleration 2*105.5 = mass * 9.8mass of the elevator = 20.4*103% of the total mass of the elevator.

0.006(896) plus 0 equals 0.006(435) plus 1.25 (V) 2.61 + 1.25 = 5.376 + 0 = 2.61 + 1.25 (V) 5.376 = 2.61 + 1.25 = 5.376.

Calculate the final equilibrium temperature when 10.0 g of milk at 10.0C is added to 1.60 x 102 g of coffee at 90.0C and the final equilibrium temperature is 90.0C.

Temperature at equilibrium is equal to the sum of heat lost and heat gained. 160 kcal of heat is wasted (90-x) Heat gained equals ten (x-10) 14400 – 160x = 10x – -100170x = 14500X = 14500/170X = 85.25 degrees. 14400 – 160x = 10x – -100170x = 14500/170X = 85.25 degrees.

## What is the kinetic energy of a 0.135 kg baseball thrown at 40.0 m/s?

Pressure Units – What is the procedure for measuring air pressure? Understand how matter exerts pressure and what it means by the term. What is utilized to measure air pressure along with how it works will be revealed in this article. Learn about the several types of pressure units and their acronyms, such as atm, millimeters of mercury, and pounds per square inch (Psi). Learn about the elements that make up compounds and molecules, as well as how they are constructed. Compounds and molecules are constructed from elements that have at least two atoms that are bonded together by a chemical bond.

- Fuses Have Distinctive Characteristics Circuit breakers are devices that interrupt electrical current.
- Learn about overloading circuits and the distinctions between fuses and circuit breakers in this lesson.
- Newton’s third law of motion defines the behavior of an object as it reacts to a force that has been applied to the item.
- Different Types of Energy |
- In what way does energy differ from other things?
- Then you may study about the many types of energy definition.
- Learn about the neurological, respiratory, cardiovascular, digestive, and musculoskeletal systems, as well as their functions.
- Collision is defined as Investigate the transfer of energy that occurs during collisions, as well as the consequences of collisions, such as changes in direction and change in speed.
- Chromatography is the study of mixtures by the separation of constituents and the examination of the contents.

## AP Energy Practice

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AP in Gravity and Energy Practice Multiple-Choice Questions Choose the one that best completes the sentence or provides the best response to the question. _1.The unit of labor, the joule, has the same dimensions as the following: a.newton/second. b.newton/kilogram. c.newton-second.d.newton-meter. _2.A worker pulls a sled with a force of 40 N across a level distance of 6.0 m, and the distance is measured in meters. What amount of net work is done on the wheelbarrow if a frictional force of 24 N operates on it in the opposite direction of the worker’s movement?

- a.54.0 Jb.87.0 Jc.108 Jd.216 J_ a.54.0 Jb.87.0 Jc.108 Jd.216 J_ On a 10-meter level surface, a horizontal force of 200 N is given to a 55-kg cart, which moves over it.
- a.-1 100 Jb.-900 Jc.-800 Jd.-700 J_ a.-1 100 Jb.-900 Jc.-800 Jd.-700 J_ The kinetic energy of a ball increases by a factor of three when the mass and velocity of the ball are both tripled.
- a.3.b.6.c.9.d.27.
- What is the total amount of work completed during the process?
- a.zerob.1/20 Jc.20 Jd.2 000 J 7.What is the effect of the air resistance as it falls?
- _8.Samantha pulls a 50-N container up a ramp that is 25.0 m in length and inclined at a 10 degree angle with respect to the vertical.
- Baseball catcher a.13 Jb.55 Jc.120 Jd.220 J 9 puts on an exhibition by catching a 0.15-kg ball that has been dropped from a helicopter at a height of 101 m and capturing it with his glove.

(Using g = 9.8 m/s2 and disregarding air resistance) 22 m/sa.44 m/sb.38 m/sc.31 m/sd.22.44 m/s _10.The potential and kinetic energy of a 2.00-kg ball are both zero.

In mud, when the ball comes to rest, its potential and kinetic energy are added together to produce the following: a.zero.

b.196 J.c.-196 J.d.

11An airplane weighing 80 000 kg is traveling at 900 km/h at a height of 10.0 km in the sky.

It takes 250 MJ to move a 2 000-kg ore vehicle down a frictionless 10.0 inclination, and 478 MJ to move a 773-kg ore car down an incline of 10 300 MJ 12.

a.340 kN/mb.681 kN/mc.980 kN/md.1 960 kN/m 13.

The percentages are as follows: a.100%, b.200%, c.300%, and d.300%.

Hooke’s law spring is positioned horizontally across a frictionless surface in the fourth position.

The spring was compressed to what degree, causing the mass to gain double the kinetic energy it had gained in the previous circumstance.

After accidently bumping the wheelbarrow, Tamara feels embarrassed.

What is the kinetic energy of the wheelbarrow when it reaches the bottom of the ramp?

A pile driver is responsible for driving a post into the ground.

If the resistive force of the ground is 4.0106 N, how far does the post have to be pushed in on each stroke to achieve the desired depth?

a.4.9 cmb.9.8 cmc.16 cmd.

A parachutist with a mass of 50.0 kg falls out of an airplane at a height of 1 000 m while wearing a parachute.

In this leap, how much energy was wasted as a result of the air friction?

b.49 400 Jb.98 700 Jc.198 000 Jd.489 000 J 18.

The spring is now utilized to propel a particle with a mass of 2 m when compressed by twice its original value.

a.hb.2 hc.3 hd.

4 h 19 h 19 h 19 In order to move a 50-kg mass, a force of 100 N is given to it in the direction of motion for a distance of 6.0 m, after which the force is raised to 150 N for the remaining 4.0 m.

a.1 200 Jb.1 500 Jc.2 400 Jd.-1 500 J 20.

If a particle is traveling, is it feasible for the total mechanical energy of the particle to be negative?

A particle’s potential energy cannot have a value greater than the value of the particle’s positive kinetic energy, hence the answer is no.

A building is launched from the top of it with three distinct mass projectiles, each of which is thrown at a different angle of elevation.

In the moment before it collides with the earth, which particle has the maximum speed?

b.The one who possesses the greatest bulk.

d.When they collide, they will all have the same speed.

It takes 5.5 seconds for a 0.12-m-radius grinding wheel to increase its speed from 2.0 rad/s to 11.0 rad/s.

a.9.6 rad/s2b.4.8 rad/s2c a.9.6 rad/s2b.4.8 rad/s2c 1.6 rad/s2d is the rate of change.

There is a point between the Earth and the Moon where the gravitational attraction of the Earth is cancelled out by the gravitational pull of the Moon.

The Moon has a mass that is one-hundred-and-eighth that of the Earth.

on the trip to the Moon (a.8/9) path to the Moon (b.9/10) c.3/4 all the way to the Moon (in English) on the trip to the Moon (d.80/81), Active volcanoes spouting liquid sulfur to heights of 70 kilometers above the surface of Jupiter’s moon Io were discovered by the spacecraft Voyager 1 during a thorough photographic reconnaissance of the moon.

- a.260 m/sb.530 m/sc.790 m/sd.970 m/s 25 a.260 m/sb.530 m/sc.790 m/sd.970 m/s 25 a.260 m/sb.530 m/sc.790 m/sd.970 m/s 25 a.260 m/sb.530 m/ As they circle the Earth, two satellites are being monitored: satellite X and satellite Y.
- According to Kepler’s third rule, the period or revolution of X is equal to what factor times the period or revolution of Y?
- When at the distance of closest approach d from the sun, an asteroid in orbit around the sun travels with a linear speed of 4 kilometers per second.
- a.1 km/sb.2 km/sc.8 km/sd.16 km/s 27.
- What is the factor that results in a change in the orbital period of rotation when the mean distance from the Sun is doubled?
- A racecar is traveling around a racetrack at a steady pace, as shown.
- Which of the following turns has the largest magnitude of the car’s acceleration?

B.It is greatest in the turn with a radius of the shortest diameter c.Because of the constant speed, the acceleration is zero everywhere.

_29.A stunt pilot weighing 0.70 kN makes a vertical circular dive with a radius of 0.80 km in a vertical circular dive.

What is the amount of force that the plane exerts on the pilot?

In what magnitude is the resulting force acting on the driver, who weighs 0.80 kN, exerted on the vehicle?

When the mass reaches the greatest point of the circle, its speed is equal to 8.0 meters per second.

a.21 Nb.11 Nc.16 Nd.26 Ne.36 N 32 a.21 Nb.11 Nc.16 Nd.26 Ne.36 N 32 A 4.0-kg mass fastened to the end of a string swings in a vertical circle with a radius of 2.0 m around the string’s center point.

What is the magnitude of the force that the string is exerting on the mass at this point in time?

Approximately half way around the circle, the sail and steering system come loose from the boat.

a.Because there is no friction, the boat will continue to travel in the circle.

It will move away from the circle on a line tangent to the circle because there is no force acting on it.

1.

In this illustration, a hornet circles around a pop can at increasing speeds while flying in a circle with a diameter of 12 cm.

straight down the middle b.inwards and downwards c.down and outwards from the center.

the direction of travel is downwards, backwards, and outwards With a speed of 28 m/s, an automobile accelerates into a level, unbanked semicircular hairpin bend with a radius of 100 m.

While maintaining a steady speed of 28 miles per hour, the automobile will attempt to dig into the road surface.

get securely at the other end of the semicircular path.

d.have a tendency to wander away from the center of the circle. The first quarter-circle should be approached from the center; the second quarter-circle should be approached from the outside. In the case of a heavy 20.0 kg item falling into a hole,

## Question A small ball of mass 33 g is suspended from

Students Paper Help Question may assist you with your college assignments. A tiny ball with a mass of 33 g is hung from a string with a length of 39 cm and spun in a circle in the horizontal plane by a string of the same length. The centripetal force exerted by the ball is determined by calculating the angle formed by the string with the vertical. Gravity accelerates at a rate of 9.8 meters per second2. Give your answer in units of N.

## Question The two blocks in the figure below, m1 = 2.0

Question m1 and m2 are the weights of the two blocks in the image below, and the two blocks are connected by a massless rope that goes through a pulley. The pulley has a diameter of 12 cm and a mass of 2.0 kg. It is made of steel. As the pulley rotates, friction at the axle produces a torque of 0.44 Nm, which is applied to the wheel. Suppose all of the blocks are freed from their resting positions. How long does it take the 5 kg block to reach the ground from a height of h = 1 m? 1 st stanza

## Question Two adjacent natural frequencies of an organ pipe are determined

Question: The natural frequencies of an organ pipe have been established to be 299 Hz and 345 Hz, which are close to one another. (Assume that the speed of sound is 343 meters per second.) (a) Determine the fundamental frequency of the pipe in question. (b) Determine the length of the pipe in question.

## Question A diving board length = 5.40 that weighs 215 is

Question Two pillars hold a diving board with a length of 5.40 and a weight of 215 pounds. One pillar is located at the left end of the diving board, as seen in the illustration below, while the other is located at a distance of 1.50 meters away. Figure out the direction of the force applied by the left pillar when a diver with a height of 80.0 stands at the far end of the table.

## Question A 56.0 kg girl weighs herself by standing on a

Question A 56.0 kg female weighs herself on a scale in an elevator while standing on the scale. When the elevator is descending at a constant speed of 10 m/s, what is the force produced by the scale on the elevator?

## Question A diving board length = 5.60 that weighs 250 is

Question Two pillars hold a diving board with a length of 5.60 and a weight of 250 pounds. One pillar is located at the left end of the diving board, as seen in the illustration below; the other is located at a distance of 1.65 meters away. The amount of the force exerted by the left pillar when a diver with a height of 80.0 stands at the far end of the board has to be determined.

## Question A source of sound has a total emitted power of

Question Two pillars carry the weight of a diving board with a length of 5.60 and a weight of 250. In the illustration below, one pillar is located at the left end of the diving board, while the other is located at a distance of 1.65 meters from the diving board. The magnitude of the force exerted by the left pillar when a diver with a weight of 80.0 stands at the far end of the board has to be determined.

## Question A 5.00-g lead bullet traveling at 300 m/s is stopped

A huge tree prevents a 5.00-g lead bullet moving at 300 m/s from striking a target. Question What is the rise in temperature of the bullet if half of the kinetic energy of the bullet is changed into internal energy and remains within the bullet, while the other half is delivered to the tree?

## Question Two speakers are driven by the same oscillator with frequency

Question Two speakers are powered by a single oscillator with a frequency of 165 Hz, which is shared by both speakers. They are mounted on a vertical pole and are spaced 3.86 meters apart. As seen in the illustration, a guy standing a long distance away moves directly toward the lower speaker in a path perpendicular to the pole.

The distance between him and the pole at the initial time at which he hears the lowest sound intensity (short of infinity) is determined by the sound speed of 330 m/s.

## Question Iodine-131 has a half-life of 8 days. A 2-gram sample

Question Iodine-131 has an 8-day half-life, which is quite short. It takes 32 days to preserve a 2-gram sample of originally pure iodine-131 in a refrigerator. How many grams of iodine-131 are left in the sample after it has been processed?

## Question Decompose the force vector F into radial (i.e., parallel to

Students Paper HelpQuestion is a website that provides college assignment assistance. The force vector F may be divided into radial (i.e., parallel to r) and tangential (perpendicular to r) components using the diagram below. The magnitude of the radial and tangential components, Fr and Ft, are to be determined. If theta is between zero and 90 degrees, then you can make an educated guess.

## Question When the play button is pressed, a CD accelerates uniformly

Question The play button causes a CD to accelerate consistently from rest to 475 rev/min in 3.5 revolutions when the button is pushed. When a CD has a radius of 6 cm and weighs 17 g, what is the torque that is exerted on that object?

## Question A 0.200-kg block is placed on a vertical spring (k

Suppose a 0.200-kg block is placed on top of a vertical spring (k = 5.00103) and then pushed downward, resulting in the spring being compressed by 0.100 m. As soon as the block is freed, it departs the spring and begins its upward trajectory. If air resistance is minimal, at what height above the point of release will the block be able to reach?

## Question A copper rod (length=2.0 m, radius=3.0×10–3 m) hangs down from

Question A copper rod (length=2.0 m, radius=3.010–3 m) swings from the ceiling with a radius of 3.010–3 m. An item weighing 9.0 kg is fastened to the bottom end of the rod. A spring is created by the rod, and the item oscillates vertically with a modest amplitude as a result. Calculate the frequency f of the simple harmonic motion while disregarding the mass of the rod.

## Question In the polarizer/analyzer combination in the figure below, of the

Question The polarizer/analyzer combo shown in the image below absorbs a significant portion of the light intensity that falls on the analyzer. Calculate the angle between the transmission axes of the polarizer and the analyzer by using the formula below.

## Question If you weigh 690N on the earth, what would be

Question Is it possible to calculate your weight on the surface of a neutron star with the same mass as our sun and an angular diameter of 21.0 km if you weigh 690N on the planet Earth? Take the mass of the sun, m s, to be 1.991030 kg, the gravitational constant, G, to be 6.671011N*m2/kg2, and the acceleration due to gravity at the earth’s surface, g, to be 9.810 m/s2. Then take the gravitational constant, G, to be 6.671011N*m2/kg2.

## Question A car is traveling at a constant speed of 31.1

Question On a highway, an automobile is going at a steady speed of 31.1 m/s. A second vehicle enters the highway from an entrance ramp at the same time this vehicle passes the entrance ramp. The second automobile begins from a standstill and accelerates steadily throughout. What kind of acceleration does it need to sustain in order for the two automobiles to meet for the first time at the next exit, which is 2.05 kilometers down the road?

## Question What is the kinetic energy of a 0.135-kg baseball thrown

Question Is there any way to find out how much energy a 0.135-kg baseball has when it is thrown at 40.0 meters per second (90.0 miles per hour)?

## Question A skier starts down a frictionless 32° slope. After a

Question A skier begins his descent down a frictionless 32-degree slope.

After a 28-meter vertical plunge, the slope briefly levels off, then dips at a 20-degree angle for an additional 41-meter vertical descent before leveling out once more. What is the skier’s average speed on the two level sections of terrain?

## Question Eight books, each 7.5 thick with mass 1.5, lie

Question Eight volumes, each 7.5 inches thick and weighing 1.5 pounds, are laid flat on a table. In order to stack them one on top of another, how much effort is required?

## Question how to draw a model of an atom shown in

If you are drawing a model of an atom, make sure to insert all of the protons, electrons, and neutrons in their proper positions as depicted in the atomic box. A little ball of mass 33 g is strung on a string, and the question is