show that the value of g is independent to the mass of the free falling body. The weigh of the person on the earth is 72 kg wt, at what height it weight becomes 32kg wt?

A 0.200 kg plastic ball moves with a velocity of 0.30 m/s. It collides with a second plastic ball of mass 0.100 kg, which is moving along the same line at a speed of 0.10 m/s.

A person and a kayak paddles down river at an average speed of 10 km/hr. After 3.25 hours, how far has she traveled?

What force must be applied to move a 251 kg rock on a pavement like surface

An ideal gas undergoes isothermal compression from an initial volume of 4.81 m^3 to a final volume of 2.78 m^3. There is 7.25 mol of the gas, and its temperature is 23.1°C.

In what other sport might the basketball warmup be effective?

Choose all the answers that apply. The sun: - is the largest star in our solar system - is the largest star in our galaxy - is made mostly of hydrogen and helium -will eventually run out of fuel and die -creates energy through nuclear reactions

Calculate the kinetic energy of a truck that has a mass of 2900kg and is moving at 55m/s.

In the calorimetry experiment which energy will be calculated during the heat exchange if water is used?

A turtle, moving at a constant velocity of 0.9 m/s due south, is in a race with a rabbit, who runs at a moderate speed of 9 m/s.

What might cause a theory to change over time?