Why is gravitational potential energy negative?

Facts of heat and transfer

Which of the following is the most accurate statement concerning the properties of matter? a. they can be written as symbols b. they can be observed and measured c. they cannot be tested or verified d. they change with the amount of matter present

What is the downward pull on an object due to gravity? mass weight acceleration velocity

A 100 kg object and a 10 kg object are dropped simultaneously in a vacuum. Which of the following statements is true? Both objects will accelerate at 9.8 m/s2 The 100 kg object will accelerate faster than the 10 kg object.

Describe how mass affects the time required for an object to reach the ground from a given drop height.

All compounds are positively charged true or false

Jeff puts on a leather jacket over his sweater. The sweater becomes negatively charged. Which statements about Jeff's situation are true?

You hit the wall with a stick. The equal but opposite reaction is?

What happens to a light wave traveling through diamond that strikes a boundary with water at a 45 degree angle? (APEX) a. it refracts in the water, toward the boundary b. it reflects back into the diamond in the direction it was traveling from c.

Which tools would sara us to find an irregularly shaped objects mass and volume A. a meter stick, a ruler, and water B. a meter stick, a balance, and water C. a balance, water, and a ruler D. a balance, water, and a beaker