What happens to wavelength as a wave leaves the air and enters the Perspex?

a. It decreases

c. It stays the same

b. It increases

d. It becomes irregular

A loop is oriented perpendicular (0 deg) to a 0.0817 T magnetic field. The magnetic flux through the loop is 5.90 x 10^-6 Wb. What is the area of Skip the loop?

Which Chemical Equation Is Balanced? A) 2MG + O2 - > MgO B) Mg + O2 - > 2MgO C) 2Mg + O2 - > 2MgO D) 2Mg + 2O - > 2MgO

Wavelength multiplied by frequency equals a. force. b. power. c. speed. d. weight.

Can an object have one form of energy at a time or more?

In physics how much energy is required to raise the temp of 9.78kg of water from 40.82c to 52.07c? The specific heat of water in this state is 4186j/kg-c.

The outermost layer of earth is called the mantle

A pulley system used to lift car tires has a mechanical advantage of 8.1. If you pull on the pulley with a force of 540 N, how much force does the pulley exert on the tire?

An object of mass 1000 kg, initially having a velocity of 100 m/s, decelerates to a final velocity of 20 m/s. what is the change in kinetic energy of the object, in kj?

Find the momentum of a 25 kg object going 4m/s to the right.

In the following diagram, the clockwise torque is equal to ___.