Give 3 examples to show work being done.

A student is trying to calculate the density of a ball. She already knows the mass, but she needs to determine the volume as well. Which of the following formulas can be used to calculate the volume of the ball?

When you are driving on a multi-lane road, if another vehicle moves into your lane right in front of you, cutting you off what should you do

A car collides head on with a stationary sign. The collision brings the car to a stop, but the sign does not move. Which of the following design features would have reduced the force felt by both the car and the sign in the collision? A.

Under what conditions will an electrical current flow in a wire or light a bulb

What force does a trampoline have to apply to a 45.0-kg gymnast to accelerate her straight up at 7.50 m/s^2? (a) 104N (b) 338 N (c) 441 N (d) 779 N

The power rating of a light bulb (such as a 100-W bulb) is the power it dissipates when connected across a 120-V potential difference. Part A What is the resistance of a 100 W bulb?

Oliver weighs 600. N. He climbs a flight of stairs that is 3.0 meters tall in 4.0 seconds. a. How much work did he do? b. What was Oliver's power in watts?

In what region would solar cookers be useful

Which of the following statement is FALSE about momentum? (Consider the formula p = mv.) Group of answer choices The momentum of an object varies directly with the speed of the object.

What's the difference between the resistance of 1,000 feet of aluminum No. 14 wire and 1,000 feet of No. 14 copper wire? A. The aluminum has 0.84 ohms more resistance. B. The aluminum has 2.66 ohms more resistance. C. The copper has 0.