An object's motion changes

A.

only when a nonzero net force is applied to the object.

B.

only if the object is at rest when a force acts upon it.

C.

when the forces acting on the object remain balanced.

D.

when there are no forces acting upon it.

Can the reaction distance be a negitive?

Which statement best describes electrons

7. A 30.0-g rifle bullet traveling 185 m/s embeds itself in a 3.15-kg pendulum hanging on a 2.85-m-long string, which makes the pendulum swing upward in an arc. Determine: a. The vertical component of the pendulum's maximum displacement. (10pts) b.

Can someone list some era's?

What is the difference between a distance time graph and a speed time graph?

A rightward force of 302 n is applied to a 28.6 kg crate to accelerate it across the floor. thye coefficient of friction between the crate and the floor is 0.750. determine the acceleration

How the properties of sound waves change as they spread out in a spherical pattern

If legos are plastic can they be recycled?

At an accident scene on a level road, investigators measure a car's skid mark to be 93 m long. It was a rainy day and the coefficient of friction was estimated to be 0.35.

How does a shorter wavelength affect the frequency of a wave?