When you see marjorie, she is swinging a bucket of water around in a circle. the speed of the bucket of water does not change as it moves in the circle. which of the following statements best explains how you could tell that a net force is constantly acting on the bucket of water?
a. the bucket of water is not at rest.
b. the bucket of water is speeding up or slowing down.
c. the bucket of water began at rest, and you saw it begin to move.
d. the bucket of water's direction is changing, instead of moving in a straight line.

Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

1.in one challenge on the titan games, competitors have to lift 200 pounds up a long ramp. angel is able to move the weight in 42 seconds. anthony gets it done in only 38 seconds. which statement is true? angel has more power than anthony. angel does more work than anthony. anthony does more work than angel. anthony has more power than angel. 2.a mountain climber exerts 41,000 j of work to climb a cliff. how much power does the climber need if she wants to finish in only 500 seconds? power = work / time 20,500,000 watts 82 watts 0.0122 watts 41,500 watts 3.your family is moving to a new apartment. while lifting a box 83 joules of work is done to put the box on a truck, you exert an upward force of 75 n for 3 s. how much power is required to do this? (hint: you only need two of the 3 numbers given! ) power = work / time 249 watts 25 watts 2075 watts 27.7 watts