A crane motor exerts 3,500.0 W to lift a load up 5 floors in 25.0 seconds. The crane did how much J of work.

What is the formula of conservation of linear momentum

A bike travels at a constant speed of 4.0m/s for 5 seconds. How far it goes?

two ice skaters push each other, and move in opposite directions. the mass of one is 75 kg, and his speed is 2 m/s. if the mass of the other is 30 kg, what is her speed?

Match each type of energy with its fuel. 1. oil, coal, gas hydroelectric 2. uranium nuclear 3. sun solar 4. water fossil

A container holds 16 pints of juice. How much is this in gallons?

Which phases of matter do molecules have the lowest amount of energy?

How many Oxygen (O) atoms are in the following? H2O + CO2 4 3 2

How does surface roughness affect friction

Why does it hurt your hands when you carry heavy shopping in carrier bags?

Why did scientists choose carbon as a base for the atomic mass unit? Which isotope of carbon did they use?