When a muscle contracts, it performs work. It does this by A) converting chemical energy to mechanical energy. B) converting mechanical energy into heat energy. C) converting mass into energy. D) creating energy.

A net force of 30 N is applied to an object with a mass of 15 kg. The object accelerates at 2 m/s2. If half the force is applied, what happens to the acceleration?

Why isn't sodium contributing to the body mass

What is the resultant for a 5 m line running east and a 8 m line running west?

What are the relative ages of the features in order of oldest to youngest? Choose the correct answer. Fault, Rock 1, Rock 2, Layer 1 Layer 1, Rock 2, Rock 1, Fault Fault, Rock 2, Layer 1, Rock 1 Rock 2, Layer 1, Rock 1, Fault

Ice tells scientists when global warming has occurred is like a book

What are the three properties of gravitational force between two objects?

One student did an experiment with salt water. The steps of the experiment are shown below. Pour half a cup of salt water into a pan. Keep the pan outside in the sun for a day. Allow all the water in the pan to evaporate.

The Wilson cloud chamber is used to study

Determine the horizontal and vertical components of a vector with a magnitude of 50 and a direction of 42° relative to the horizontal.

Newton's second law states that the force produced by a moving object depends on its mass and acceleration. Which is an example of this? A.