Rank them from fastest to slowest in how quickly each warms up: (a) steel, 450 j/kgââc; (b) aluminum, 910 j/kgââc; (c) copper, 390 j/kgââc.

A force used to lift a 25kg mass to a height of 12m in 5 sec does 2100J of work. How much force is used

A boy of mass 60 kg stands on a boat of mass 250 kg. This system is stationary. From the boat, the boy throws a rock of mass 1 kg into the water with a velocity of 10 m/s.

If your dream is to be a soccer player. You got skills and one day it was your time to go to a another country but your family didn't want you to leave. You just lose a chance to play for one of the greated teams on Spain. What can you do?

imagine you push a 50 kg crate with 200 N of force if friction pushes back with 100 N of force what acceleration does the crate have?

A sample of dna contains 1000 guanine bases how cytosine bases does it contain

Why is a coin able to float on top of water in a glass

Here we will look at a more complex problem for which we will use all three of our primary constant acceleration equations. a motorcyclist heading east through a small iowa town accelerates after he passes a signpost at x=0 marking the city limits.

Drag each tile to the correct box. Arrange the objects in order from least to greatest potential energy. Assume that gravity is constant. (Use PE = m * g * h.) 1.) a 15-kilogram stone found at a height of 3 meters 2.

On a cold winters da, y, If you left a drink setting outside, it could freeze. Explain why in a complete sentence Hint-Consider th kinetic theory of heat that explains that temperature is directly related to kinetic energy of atoms.

perature is 0◦F. How much taller is the building when the temperature is 107◦F? The linear expansion coefficient of steel is 1.1 * 10-5 (◦C) - 1.