List two diseases of the muscular system.

A post is wrapped two full turns around with a belt. The tension in the belt is 7500 N by exerting a force of 150 N on its free end. Determine the coefficient of static friction between the belt and the post.

Students are experimenting with a substance that they think can be added to soil to increase the number of flowers a certain plant will make. They set up 20 pots of soil, each planted with the same type of seed.

Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.20*106 N, one at an angle 12.0 ∘ west of north, and the other at an angle 12.0 ∘ east of north, as they pull the tanker a distance 0.700 km toward the north.

How are electromagnetic waves different from mechanical waves? Electromagnetic waves are all high frequency; mechanical waves are all low frequency. Electromagnetic waves can travel through a vacuum; mechanical waves require a medium.

A loose bolt falls from a high-flying helicopter that is rising at a constant 8.76 m/s. How far is the bolt below the helicopter 3.05 s later?

Why do automobiles rust more easily in wet climates than drier climates?

You are preparing to do a hard task and so you say to yourself, "I can do it!" What is this an example of?

You took a running leap off a high diving platform. You were running at 3.1 m/s and hit the water 2.4 seconds later.

How does a boulder change

Difference between impulse and impulsive force