A child wants to reach the cookies on the top shelf of the kitchen. The shelf is 1.5 m high. The cookie jar has a mass of 0.75 kg. What is the potential energy of the
cookie jar before it is taken from the shelf? Round your answer to the nearest
hundredth.

12 drag each label to the correct category. decide whether each statement describes mass or weight. measured in newtons measured in kilograms does not change when gravity changes === a gravitational force changes when gravity changes the amount of matter in something mass weight

What best describes a sonar wave? transverse and electromagnetic transverse and mechanical longitudinal and electromagnetic longitudinal and mechanical

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?