What causes something to speed up as it rolls down a hill

A sample container of carbon monoxide occupies a volume of 435 ml at a pressure of 785 torr and a temperature of 298 k. What would its temperature be if the volume were changed to 265 ml at a pressure of 785 torr?

You give a shopping cart a job down the aisle the cart is full of groceries and has a mass of 18 kilograms the cart accelerates at a rate of 3 m/s how much force did you exert on the cart

In a lake a remote controlled submarine moved norweast at a constant velocity. It moved 935 centimeters in 10.0 seconds. What was its velocity

Find the y-component of this vector:73.3,12.0m. Remember, angles are measured from the + x axis.

What vehicle has the greatest kinetic energy the bike or two cars

Through which medium would EM waves travel the fastest? A. The Ocean B. The Atmosphere C. Rocks

Average mass of a toy car (small, hot wheels) ?

A cannon directed straight upward launches a ball with an initial speed v. The ball reaches a maximum height h in a time t. Then, the same cannon is used to launch a second ball straight upward at a speed 2v.

Does the sun fuse hydrogen into helium or vice versa?

Is it possible to put a distance versus time graph to be universal go mine