When a Hooke's law spring is stretched a distance 3x, how much is the increase in energy stored in it from when it was stretched a distance x? Give your answer in terms of a multiple of the energy stored in the spring when it is stretched a distance x
a. It is 3 times as much.
c. It is 4 times as much.
b. It is 8 times as much.
d. It is 9 times as much.
B
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(a) half-way around the track? (b) all the way around the track? What will be an ideal response?
Voltage is a measure of the energy per unit charge supplied by a battery
Indicate whether the statement is true or false
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A marble moving 1.48 m/s rolls off the top edge of a 125-cm high table in a room where there is no appreciable air resistance and the acceleration due to gravity is 9.80 m/s2
(a) How far from the base of the table will it strike the floor? (b) How long will it be in the air?