On the way home from school, you stop at a stoplight. Suddenly you hear the siren of an ambulance in the distance. As you turn, you see the approaching vehicle so you wait patiently as the ambulance eventually speeds through the intersection. Describe the sound you hear throughout this process. Explain
your answer in terms of the Doppler Effect.

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

What is the final velocity of the initial velocity of 25 and -50?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?