A2 kg bowling ball is 1 m off the ground on a post when it falls just before it reaches the ground it is traveling 4.4 m/s assuming there is no air assistance which statement is true
a) the mechanical energy is not conserved
b) the initial potential energy is lost in the final kinetic energy
c) the mechanical energy is conserved
d) the initial potential energy is greater than the final kinetic energy

Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?