A ball toy of mass 22.7 g is thrown straight up with an initial speed of 2.8 m/s. Neglect air resistance. If the gravitational potential energy is taken to be zero at the maximum height the toy reaches, what uld the gravitational potential energy be in J when it leaves the hand? Give the answer to 2 decimal places

Q: A 6 slug mountaineer is reaching the top of Mt. Fuji that is 12,336 ft high. The mountain makes a…

A: Work done against gravity is its potential energy. W=Mgh…

Q: A bag of wheat weight 2300 kg .To what height should it be raised so that potential energy is 7890J?…

A:

Q: 9. Find the gravitational potential energy of an 88-kg person stand-ing atop Mt. Everest at an…

A: mass (m) = 88 kg Altitude (h) = 8848 m

Q: A bag of wheat weight 320 kg. To what height should it be raised so that potential energy is 6790J?…

A: Given data :                Acceleration due to gravity    =   g                  Potential energy…

Q: A 4 kg ball falls from height of 23 m. What willbe potential energy of the ball after 0.8 second?…

A:

Q: A person runs up a long flight of stairs in 10 seconds. If the person's weight is 600 N and the…

A: Given data Weight of the person W = 600 N time taken t = 10 s Power is defined as the work done per…

Q: 3. A record was set for stair climbing when a man ran up the 2400 steps of the Empire State Building…

A: Given:-  A record was set for stair climbing when a man ran up the n = 2400 steps. The time taken to…

Q: What is the change in gravitational potential energy for a 70 kg man walking upstairs from a height…

A:

Q: A 4 kg ball falls from height of 23 m. What willbe potential energy of the ball after 0.8 second?…

A:

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Darth Vader uses the Force (fitting name for it in this example) to lift an enemy rebel into the…

A: Any force acting on an object displaces the object by some distance. So this applied force does some…

Q: A bag of wheat weight 330 kg .To what height should it be raised so that potential energy is 7800J?…

A: Given data:  Mass (m) = 330 kg Potential Energy (PE) = 7800 J g = 9.8 m/s2 Required: Height (h)

Q: When a 0.25kg ball is suspended from a light 1.2m string, in the attachment below. The string makes…

A: Step 1:Step 2:

Q: My 3.25 kg cat, Pretty Kitty, likes to sit on the tallest perch in her cat tree, 2 m tall. What is…

A:

Q: A space station has a mass of 420,000 kg and is 400,000 m above the Earth's surface. Solve for the…

A: The objective of this question is to calculate the gravitational potential energy of a space station…

Q: how much potential energy does a person of mass 52kg have if they are standing at the top of a…

A: Given Data: The mass of a person is, m=52 kg The height of a building is, h=58 m   The expression…

Q: Mary's gravitational potential energy is 1870 J when she sits 2.20 m above the ground in a sky…

A: In this question, we have to find the Mary weight. Please give a positive rating if the answer helps…

Q: A 45- kg object is lifted 2.7 m from the floor to a table . What is the object's gravitational…

A: Given data The mass of the object is m = 45 kg. The height of the table from the floor is given as…

Q: A 430g book is dropped froma height of 1.9m. What is the kinetic energy of the book at the moment it…

A: Kinetic energy gained equals the change in potential energy. Ekinetic=Utotal-Uhalfway=mgh-mgh2=mgh2

Q: On the y-axis (Free Fall, thus FG = W =mg), a 9 kg object is released from 15 m. a. Calculate the…

A: Here we have to use formula for calculating work done that is given as  W= F.dr Here F is force  dr…

Q: A man climbs onto a wall that is 7.76 m high and gains 1723.8 J of potential energy. What is the…

A:

Q: Suppose a 74 kg sprinter, starting from rest, runs the first 9 m in 3 s at constant acceleration, a…

A: Given Mass of a sprinter = 74 kg sprinter starting from rest, Distance traveled in first 3 sec = 9 m…

Q: An 85 kg mountaineer is reaching the top of Mt. Fuji that is 3.76 km high. The mountain makes a…

A: Given that, Mass of a mountaineer, m = 85 kg The mountaineer is reaching the top of Mt. Fuji that is…

Q: The 50 kg block slides down the 2m high ramp. At some point, the block is .5 meters above the…

A: given: height of ramp h = 2m mass of block m = 50 kg height at point p h' = 0.5 m

Q: A 0.25 kg ball is suspended from a light 1.5 m string as shown. The string makes an angle of 31°…

A: (a)The height of the ball before it is released is given by,

Q: A man applies a force of 100 N to a rock for 60 seconds, but the rock does not move. What is the…

A: Work comes in picture only and only when this is some displacement.  we know W = Force*displacement.…

Q: A bag of wheat weight 450 kg .To what height should it be raised so that potential energy is 8950J ?…

A: Write the given values with the suitable variables. m=450 kgP=8950 J Here, m is the mass and P is…

Q: A bag of wheat weighs 200 kg. To what height should it be raised so that potential energy is 9800 ?…

A: The answer is below

Q: A roller coaster with a mass of 725 kg starts with a speed of 22.0 m/s at the bottom of a hill.  At…

A:

Q: A 70 kg hiker climbed a mountain 1000 m high. Assuming the work was done at a steady rate during 3…

A:

Q: A roller coaster starts with a speed of 4.1 m/s at a point 51 m above the bottom of a dip.…

A: Initial height is Initial speed is Final height is Find:Final speed or speed at the final height.

Q: A bag of wheat weighs 200 kg. To what height should it be raised so that potential energy is 9800 J?…

A: Given data:  Mass (m) = 200 kg Potential energy (U) = 9800 J Acceleration due to gravity (g) = 9.8…

Q: A bag of wheat weighs 170 kg. To what height should it be raised so that potential energy is 8614 J?…

A: Given data :                    Acceleration due to gravity    =    g                    Potential…

Q: Travelling in a mountainous area, a bus of mass 3 tons reaches the edge of a steep valley. There is…

A: The gravitational potential energy is  U = m g h  where, m is the mass, g is the gravity and h is…

Q: A bag of wheat weighs 50 kg. To what height should it be raised so that its potential energy may be…

A: Given that,Potential energy, P.E=9800 JouleMass, m=100 kgGravity, g=9.8 m/s2Potential energy, PE=mgh…