What is the momentum of a 100 kilogram boulder rolling south down a a hill at a velocity at 5 meters per second?

A brine solution of salt flows at a constant rate of 7 L/min into a large tank that initially held 100 L of brine solution in which was dissolved 0.1 kg of salt.

You and a friend stand still on an escalator. A stationary observer sees you moving at a speed of 0.35 m/s. From your frame of reference, what is the speed of your friend?

O determine whether the strength of people's self-esteem is related to their income levels, researchers would most likely make use of

A rock at rest has weight 138 n. what is the weight of the rock when it is accelerating downward at 3.5 m/s2?

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Cooling down after a workout allows the oxygen to continuing moving through the body and keeps the muscles from tightening up to fast

The force that slows down and eventually stops a ball you roll across the pavement is called

The force of friction on an object is dependent on two things. what are they?

Are the backbones of the DNA molecule identical in all living things? A. Yes B. No C. I don't know

An object traveling at a 5.0 m/s east has a mass of 4.0 kg. what is the magnitude of the object's momentum?