Is a decrease in velocity considered an acceleration

Icombat car and a semi-truck are both traveling at the same velocity which has more kinetic energy

A 50.0 kg child stands at the rim of a merry-go-round of radius 1.95 m, rotating with an angular speed of 2.80 rad/s.

During a race, Rachel runs at a speed of 6 m/s. Four seconds later, she is running at a speed of 10 m/s. What is Rachels acceleration?

As you are leaving a building, the door opens outward. if the hinges on the door are on your right, what is the direction of the angular velocity of the door as you open it?

Explain why the terms mass and weight should not be used interchangeably

What is the basic unit of each type of elements

White light is composed of all the colors of the visible light spectrum. The spectrum is usually said to consist of A) red, blue and green B) red, yellow, blue and green C) red, orange yellow, green, and blue D) red, orange yellow, green, blue, and

What did Ernest Reuther fourths gold foil experiment show about the nature of Atoms

A student pushes on a 20.0 kg box with a force of 50 N at an angle of 30° below the horizontal. The box accelerates at a rate of 0.5 m/s2. What is the value of the friction force on the box? 200 N 50 N 43 N 33 N

How does the kinetic energy of particles vary with temperature