Which is a form of kinetic energy?

a. gravitational energy

b. chemical energy

c. electrical energy

d. sound energy

If there is a net force on an object in the direction it is already moving, what has to happen to the speed of the object?

A 10-g bullet moving horizontally with a speed of 1.8 km/s strikes and passes through a 5.0-kg block initially at rest on a horizontal frictionless surface. The bullet emerges from the block with a speed of 1.0 km/s.

What is the formula of conservation of linear momentum

Consider what happens when you jump up in the air. which of the following is the most accurate statement?

Sound moves at a speed of 340 m/sec. If an airplane is overhead at 8500m how long will it take for the sound to reach you

Is the Air Force better than the Navy?

A projectile is fired straight up at a speed of 10 m/s. How long does it take to reach the top of its motion? The acceleration due to gravity is 9.8 m/s^2. Answer in units of s.

Suppose a box is being dragged by a force of 100 n over a rough surface. if the coefficient of kinetic friction at the interface of the box and surface is 0.

John walks to school in the morning then walks home for lunch. The school is 250 meters directly north of his house. After lunch, he goes back to school and then to a friend's house that is 550 meters south of the school.

What is the best definition of the term temperature