70 kg 5 m
8 m
2m
An action stuntman jumps off a two-story building onto the top of a car to make his escape. What is his gravitational potential
energy from the top of the building to the top of the car?
A)
7,546
B)
8,918)
10,000
D)
10,290
d
9
I ENG
11:33 AM
2012

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter