2) Which point has the most potential energy? (Remember the equations 10 for PE = m xgx h) D. O a) Point D O b) Point E O c) Point A d) Point F

Q: A 6 kg ball falls from height of 32. What willbe potential energy of the ball after 1 second? Use g…

A: The given values are: mass m=6 kg height h=32m time t=1 sec

Q: How much work is done by you when you lift a 9.0 kg object 71 cm off of the ground?

A: Given : Mass of object (m) = 9 kg Height (h) = 71 cm = 0.71 m

Q: Does it take any work to push an object that does not move? Explain.

A: Work done is defined as product of displacement and force acting along displacement.

Q: You apply a constant force of (47 N) î - (59 N) ĵ to a loaded supermarket pushcart as it undergoes a…

A:

Q: Is work done whenever an object moves through a distance? Explain.

A: SOlution: To explain, if the work done whenever an object moves through a distance

Q: as the vertical distance of the The potential energy of an object same object from the surface of…

A:

Q: A 190 g object is dropped from a height of 7 meters. Calculate the potential and kinetic energy of…

A:

Q: If the potential energy of a 1450-kg boulder increases by 18 500 J, how high was it lifted? * O 1.23…

A:

Q: The “Green Monster” is the name for the left-field wall at Fenway Park and is 11.33 m tall.  How…

A: The expression for gravitational potential energy Ep=mgh

Q: Is work done whenever a force is exerted? Explain.

A: Force F is applied to body to displace it from one position to another position, then work done on a…

Q: An acorn falls from

A: Kinetic energy = (1/2) mv2  Potential energy = mgh

Q: A 0.95 kilogram object is 145.43 meters above the ground. What is the object's potential energy at…

A: m = 0.95 kg h = 145.43 m

Q: An object of mass m = 0.5 kg is released from point A and travels along a frictionless path through…

A: Given, mass of object , m = 0.5 kg  At A, height , hA= 7 m At B, height, hB = 3m Change in potential…

Q: A roller coaster is stuck at the top of a 72 m hill and has a mass of 134 kg. Does the roller…

A: Height of hill: h = 72 m Mass of roller coaster: m = 134 kg

Q: as the vertical distance of the The potential energy of an object same object from the surface of…

A: We are asking about effect on potential energy of an object as it goes vertically upward direction.

Q: 19. An object moving along the x axis is acted upon by a force F that varies with position as shown.…

A: The work done is given by the expression,

Q: A spring with a spring constant k = 852 N/m is compressed from its unstretched length to a length of…

A: The potential energy of the spring is given by 0.5kx^2            where k= spring constant…

Q: The figure below shows a person lifting a box with a mass of 29.8 kg to a height of 1.8 m. Determine…

A: The potential energy U of an object of mass m at a height h above the reference level, is given by,…

Q: Choose correct answer: Which of the following is the unit of Potential Energy? Select one: Joule/s…

A:

Q: The force acting on a particle changes as in the figure. What is the work done by the force on the…

A: Given : Force acting on particle  To find : Work done by the force on particle when it moves from…

Q: Based on the law of conservation of energy, the ___ of potential and kinetic energy is constant.

A: Need to explain:  The concept of law of conservation of energy

Q: 7. (Variation on 6411 #5 p. 340) A chain hangs over a pulley from the top of a building 200 feet…

A:

Q: Determine how much work is required to stop a 900-kg vehicle from an initial speed of 25 m/s. O 24…

A:

Q: What force is required to do 3500 J of work over a distance of 80 m? Select one: O 43.75 N O 500 N O…

A: solution as

Q: If the gravitational potential energy of a 60.0 N boulder perched on the edge of a cliff is 1.45 x…

A: given potential energy U = 1.45 x 104 J mg = 60 N h = ?

Q: 80. Go When an 81.0-kg adult uses a spiral staircase to climb to the second floor of his house, his…

A: The expression for the potential energy for the adult will be, ∆PE=mghf-h0hf-h0=∆PEadultmadultg

Q: How much potential energy does a 28.81 kg box have at a height of 7.46 m? Round your answer to 2…

A: Given thatm=28.81 kgh=7.46 mpotential energy is given by, U=mghwhere m is massg is acceleration due…