An arrow is fired vertically upwards by a bow and reaches an altitude of 134m. find the initial speed of the arrow on the ground level.

A material's ability not to break

Andre the Giant and Tiny Tim are on ice skates in the middle of a frozen pond. Tim pushes Andre away from him The total momentum of Andre and Tim after the push is

Explain how power is determined within a context of electricity/circuitry

When Isabella pushes a box of mass 5.25 kilograms with a force of 15.7 newtons, it accelerates by a rate of 2.50 meters/secondÆ. What is the force due to friction in this scenario?

How are scientific methods used to answer a question?

A wave with a frequency of 30 Hz has a wavelength of 40.5 m. How fast is the wave traveling?

A soccer ball is sitting in the middle of a soccer field during a game. When the referee blows his whistle, one of the players runs toward the ball and kicks it as hard as he can.

A body with v=20m/s changes its speed to 28m/s in 2sec. its acceleration will be

Charge: A piece of plastic has a net charge of + 2.00 μC. How many more protons than electrons does this piece of plastic have? (e = 1.60 * 10-19 C)

How much heat is needed to raise the temperature of 6g of water by 18oC?