An 800 N box is pushed across a level floor for a distance of 5.0 m with a force of 400 N. How much work was done on this box.

What is the average temperature of the city, 89.6 Fahrenheit, on the Celsius scale?

What force could prevent the universe from expanding forever

The potential energy for a mass on a spring is proportional to the square of which of these quantities?

Which statements are explained by Newton's law of universal gravitation? A) Heavier objects fall faster than lighter objects. B) The strength of Earth's gravity decreases as an object gets farther from Earth.

How many times smaller is the moon than earth?

Scientists can find the absolute age of a rock by using a uranium 235 dating b carbon 14 dating c carbon 12 dating d relative dating

What do scalars measure force acceleration magnitude velocity

Why do metals differ in specific heat? why is Al much higher than gold

Witch kind of force do you exert on an object when you pull towards you A-Applied force B-Attractive force C-Drag force D-Normal force

a solid sphere is rolling without slipping along a horizontal surface with a speed of 5.5 meters per second when it starts up a ramp that makes an angle of 25 degrees with the horizontal what is the speed of the sphere after it has Road 3M up the