Does anyone know the anwser key to platoweb

5. A store clerk moved a 4.4-kg box of soap without acceleration along a shelf by pushing it with a horizontal force of magnitude 8.1 N. If the employee did 5.9 J of work on the box, how far did the box move?

What's the efficiency of a car that uses 400,000 J of energy from gasoline to make 48,000 J of kinetic energy?

Dillon swims 300 m south and then 300 m north. What are dillon's distance traveled and displacement?

The energy required to lift two skiers to the top of the mountain is 240 000 J. The electric motor has an efficiency of 40%. Calculate the energy wasted in the motor.

What type of wall would make the best soundproofing for room

jason hits a baseball off a tee toward right field. the ball has a horizontal velocity of 10 m/s and lands 5 meters from the tee. what is the height of the tee? show your work, including formula (s) and units.

What is the average amount of energy of motion in the particles of a substance

A race car is traveling at 76 m/s when it slows down at 9 m/s^2 for 4 seconds. What is his new velocity

Humpty Dumpty (12 kg) sat on a wall (2 m high). What was his potential energy, before his great fall? A. 235.2 J B. 235.2 N C. 24 J D. 246.1 W

Explain how we were able to boil water at room temperature