A chimp climbs on to a wall that is 3.6m high and gains 2 268 J of potential energy. What is the mass of the man? (1)

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 55PQ: A particle moves in one dimension under the action of a conservative force. The potential energy of...
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B. Word Problem.
Directions: Solve the following word problems.
(1) A chimp climbs on to a wall that is 3.6m high and gains 2 268 J of
potential energy. What is the mass of the man?
(2) A 100kg balikbayan’ box was pushed up on a 5 m long inclined
plane. In the process the box gained potential energy of 2450 J. What
is the angle of inclination of the plane from the ground?
60 N is required to compress a string in a hand exerciser by a quarter
of a meter. Calculate its potential energy. Show your solution.
(4) A 2 kg ball is rolling down a hill, which is initially
(3)
at rest. (A as initial position, B as final position) (a)
mg
What is the mechanical energy of the ball at the
Ah
top of the hill (A) if the Ah is 10m? (b) What is the
kinetic energy of the ball halfway downhill?
в у
mg
Transcribed Image Text:B. Word Problem. Directions: Solve the following word problems. (1) A chimp climbs on to a wall that is 3.6m high and gains 2 268 J of potential energy. What is the mass of the man? (2) A 100kg balikbayan’ box was pushed up on a 5 m long inclined plane. In the process the box gained potential energy of 2450 J. What is the angle of inclination of the plane from the ground? 60 N is required to compress a string in a hand exerciser by a quarter of a meter. Calculate its potential energy. Show your solution. (4) A 2 kg ball is rolling down a hill, which is initially (3) at rest. (A as initial position, B as final position) (a) mg What is the mechanical energy of the ball at the Ah top of the hill (A) if the Ah is 10m? (b) What is the kinetic energy of the ball halfway downhill? в у mg
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