A car has a kinetic energy of 1.9 x 10^3 joules. If the velocity of the car is decreased by half, what is the kinetic energy

A.) 2.2 x 10^2 joules

B.) 4.7 x 10^2 joules

C.) 5.2 x 10^2 joules

D.) 5.8 x 10^3 joules

A small, 100 g cart is moving at 1.20 m/s on a frictionless track when it collides with a larger, 1.00 kg cart at rest. After the collision, the small cart recoils at 0.850 m/s. What is the speed of the large cart after the collision?

If you are riding in a vehicle equipped with a lap belt and also a separate shoulder belt, you are

Which type of rock would form from a lava following a volcanic eruption

A sled and rider, gliding over horizontal, frictionless ice at 4.5 m/s, have a combined mass of 74 kg. The sled then slides over a rough spot in the ice, slowing down to 2.6 m/s.

If pes represents the potential energy stored in a spring in kg•m^2/s^2 and x represents the change in the springs length from its equilibrium position im m what is the unit for the spring constant k in the formula PEs=1/2kx^2

An object has a kinetic energy of 233 J and a momentum of magnitude 20.4 kg·m/s. Find the speed and the mass of the object.

What is the average velocity of atoms in 1.00 mol of neon (a monatomic gas) at 465 K? For m, use 0.0202 kg.

What type of visible light spectrum does the sun produce?

In order for a current to be maintained through a conductor a difference in must be maintained from one end of the conductor to the other end. potential power resistance conductivity

A rocket initially at rest acceleration at a rate of 99.0meter/second^2. Calculate the distance covered by the rocket if it attains a final velocity of 445 meters/seconds after 4.50 seconds.