What is the impulse of a 4kg object accelerating from 10m/s to 12m/s?

When rocks are analyzed over an increasingly greater distance from a mid ocean ridge what can be said about the polarities of the rocks? A. They are constant B. They alternate once C. They alternate multiple times

The lowest note on the piano has the longest string to vibrate. How does the lowest note compare if you consider the column of air that is vibrating in test tubes or bottles?

A mechanical wave generally does NOT A. move through a medium. B. move the medium from one place to another. C. move through solids. D. disturb the medium.

In your own words, explain why we see a rainbow or colorful sunset. Explain the properties and interactions that make this display possible.

Describe in your own words, What is insulation?

given that a car's distance from a stop sign t seconds since it started moving is represented by d=t2-2t determine the car's average speed over each interval of elapsed time

A ball hits a wall. What is true about the magnitude of the force experienced by the ball compared with the force experienced by the wall? OA. The ball experiences more force than the wall. OB. The ball experiences less force than the wall.

A swimmer jumps from a waterfall thats is 8.5 m high from the lake below. How fast must he run horizontally to dive 2.5m away from the base of the waterfall?

What happens (as far as energy goes) when a molecule of gas strikes the wall of a container?

The boom of a fire truck raises a fireman (and his equipment - total weight 280 lbf) 60 ft into the air to fight a building fire.