For work to be done on a block of wood, which of the following must happen?

When kicking a football, the kicker rotates his leg about the hip joint. If the velocity of the tip of the kicker's shoe is 35.0 m/s and the hip joint is 1.05 m from the tip of the shoe, what is the shoe tip's angular velocity?

Which of the following states of matter has a define shape

A toy balloon has an internal pressure of 1.05 atm and a volume of 5.0 L. If the temperature where the balloon is released is 20° C, what will happen to the volume when the balloon rises to an altitude where the pressure is 0.

What is the metric unit for distance?

Why is it that the weight of an object weighing 1N air, weighs more when immersed in water?

What is a scientific law? an explanation that clarifies scientific observations a hypothesis that proposes an answer to a question a statement that summarizes a pattern found in nature an observation that explains a hypothesis

If the frequency of an electromagnetic wave is increased, what happens to the energy?

Under what circumstances will a binary star produce a nova?

You swing a bat and hit a heavy box with a force of 1500 n. the force the box exerts on the bat is

Which type of acceleration would be best if you were merging onto the interstate?