As a skier starts down a hill her velocity is 6 m/s. However, 3 seconds later her velocity is 25 m/s. What is the average velocity of the skier going down the hill? To solve, I would use the equation:

Acceleration= (final velocity- starting velocity)/change in time

True
False

Ball b is hanging from an inextensible cord. an identical ball a is released from rest when it is just touching the cord and drops through the vertical distance h a 5 8 in. before striking ball b. assuming e 5 0.9 and no friction, determine the resulting maximum vertical displacement h b of the ball b

What happens to light waves from a star as the star moves away from earth?

Suppose that recording station n is located 200 km north of the epicenter of an earthquake, and recording station s is located 100 km south of the epicenter of the same earthquake. which of the following statements would be true?