If the speed of light in a sphere is 2 * 108 m/s, its index of refraction is

An electric current in a metal consists of moving (A) Protons (B) neutrons (C) electrons

A car is traveling in a race. The car went from initial velocity of 35m/s to the final velocity of 65m/s in 5 seconds what was the acceleration

A 282 kg bumper car moving right at 3.50 m/s collides with a 155 kg bumper car moving 1.8 m/s left. Afterwards, the 282 kg car moves right at 0.800 m/s. What is the momentum of the 155 kg car afterwards? (Unit=kg*m/s)

What is electromagnetic spectrum made up of

How does critical mass play a role in nuclear reactions? It is the minimum amount of material needed to start a fission reaction. It is the minimum amount of material needed to start a fusion reaction.

Reimbursement means that a client is A. able to apply for healthcare insurance and refunded for a partial sum of the payment plan by the state. B.

Meg runs a 10km race in 45 minutes (0.75 hours). What was her speed in kilometers per hour? a. 22 km/hr b. 7.5 km/hr c. 4.5 km/hr d. 13 km/hr

If you are an astronaut slowly drifting away from the space station, you might be able to drift back to the station by throwing a 555-kg tool rapidly in the direction that you are traveling (away from the station) A. False B. True C. Don't ask me D.

The loss of an electron from a neutral helium atom results in

What happens during the intake and compression strokes of a four stroke engine?