How much potential energy does a 40-N medicine ball gain when it is lifted 5 m? Select one:

a. 20 J

b. 100 J

c. 200 J

d. 1,000 J

Newton's 1st law of motion states that a moving object will go in a straight line unless an outside force changes this motion.

The specific heat of a substance is the energy required to produce a certain change in A. state B. appearance C. volume D. temperature

The relationship between frequency wavelength and speed holds for light waves because

The milky way appears to us as a patchy and irregular band across the sky. what accounts for this?

If we decrease the distance traveled over the same period of time, this will

A 10 kg wagon rests on an inclined plane. The plane makes an angle of 30° with the horizontal. Approximately how large is the force required to keep the wagon from sliding down the plane? A) 10 N B) 49 N C) 85 N D) 98 N

Arrange the listed objects according to their angular speeds, from largest to smallest. a tire of radius 0.381 m rotating at 12.2 rpm a bowling ball of radius 12.4 cm rotating at 0.456 rad/s a top with a diameter of 5.09 cm spinning at 18.

True or false? If a train is slowing down, is it accelerating?

Whats the difference between population density and population size?

Water in the lake behind hoover dam is 221 m deep. part a what is the gauge water pressure at the base of the dam?