Which energy transformation occurs in an

operating electric motor?

(1) electrical → mechanical

(2) mechanical → electrical

(3) chemical → electrical

(4) electrical → chemical

An object falling in air has a weight of 25 N and experiences air resistance of 5 N, the net force on the object is ...

Dillon swims 300 m south and then 300 m north. What are dillon's distance traveled and displacement?

Dispersion involves separating of wavelengths by their amplitude. O True False

Why is a motorcycle helmet padded?

Chemical weathering is most rapid in areas that are

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