A ball is released from the top of a hill. How fast is the ball going when it reaches the base of the hill? Approximate g as 10 m/s2 and round the answer to the nearest tenth.

What kind of process can create "rogue" waves? a. Constructive interference c. Refraction b. Destructive interference d. Standing waves

In what ways did the work of Copernicus and Galileo differ from the views of the ancient Greeks and of their contemporaries?

Which of the following plays a major role in creating deep ocean currents

Which classification scheme is based on the brightness of a star as it appears to you in the night sky?

In this experiment, you will use a track, a toy car, and some washers to explore Newton's first two laws of motion. You will make observations and collect data regarding the motion of these objects.

Which of the following descibes the refraction of a wave?

A 590-kg rocket is at rest on the launch pad. what upward thrust force is needed to accelerate the rocket uniformly to an upward speed of 28 m/s in 3.3 s?

Is work being done when a hiker puts on a bag

run at the same speed and in the same direction, and they both run for the same amount of time, what can you say about the distance they travel?

How can you show positive body languages with your mouth