Suppose you are outside on a hot day and you move into the shade of a tree. which form of energy transfer are you avoiding? Explain.

What is the ratio of escape speed from earth to circular orbital speed? ignore air resistance.

Which of the following materials offer the least electrical resistance? Pure water, wood, salt water, glass

Choose all that apply. Which of the following questions could you answer by measuring length? 1 How tall are you? 2How far is it from your house to your school? 3How wide is your refrigerator?4 How much does your sister weigh?

A 95 N force exerted at the end of a 0.50 m long torque wrench gives rise to a torque of 15 Nm. What is the angel (assumed to be less than 90 degrees) between the wrench handle and the direction the force is applied?

Does a horseshoe go on the hoof or around it

How do you find the velocity when an object is at rest?

A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.069 T. The plane of the loop is perpendicular to the direction of the magnetic field. In a time interval of 0.

Explain or don't answer : 3 If the medium a wave is traveling through is constant, what about the wave can change? A: only its speed or frequency B: both its frequency and wavelength C: both its amplitude and speed D: both its speed and wavelength

The force of attraction between two oppositely charged pith balls is 5.3 * 10-6 newtons. If the charge on the two objects is 6.7 * 10-9 coulombs, what is the distance between the two charges? (k = 9.0 * 109 newton·meter2/coulombs2)

A Styrofoam slab has thickness h and density ρs. When a swimmer of mass m is resting on it, the slab floats in fresh water with its top at the same level as the water surface. Find the area of the slab.