If a boulder has a mass of 50 kg and a potential energy of 490 j what is the height of the boulder

Let the force of the Moon on the Earth be F1. Let the force of the Earth pulling on the Moon be F2. Which of the following is greater? F1 ⊝ F2 ⊝ neither F1 nor F2 ⊝ cannot be determined without additional information

Which law states that a charge cannot be created or destroyed

What is the effect that distance has on gravity?

The periodic law states that elements that have similar properties appear ... a. to the left of each other b. to the right of each other c. at every 10th element d. at regular intervals

Dr. Bingham told his patient that she needed to think more positively about her life in order to be happy. Dr. Bingham seems to be working in what perspective? A. Social cognitive B. Humanistic and positive C. Behavioral D. Biopsychology

How big is a wifi pulse signal coming from your router? A) 10 meters B) 15 meters C) 5-10 meters D) 20-30 meters

Imagine you are in a music concert. What different sounds might you hear? How are these sounds made?

Dose aloe Vera grow in the mesa?

A tradesman sharpens a knife by pushing it against the rim of a grindstone. The 35 cm diameter stone is spinning at 200 rpm and has a mass of 28 kg. The coefficient of kinetic friction between the knife and the stone is 0.20.

What is the unit for force we use when calculating F=ma?