How can we get a clue as to the temperature of a star

What are the parts of the lithosphere

Which statement about the speed of light is true? A. The speed of light is faster for EM waves traveling through a medium. B. No object or EM wave can move faster than the speed of light in a vacuum. C.

What object make up the solar system? what holds the solar system together?

A 0.157kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.850m/s. It has a head-on collision with a 0.306kg glider that is moving to the left with a speed of 2.26m/s. Suppose the collision is elastic.

Two technicians are discussing U-joints. Technician A says that a defective U-joint could cause a loud clunk when the transmission is shifted between drive and reverse.

A stone is tied to s string and whirled around in a circle at constant speed. Is the string more likely to break when the circle is horizontal or when it is vertical? Account for your answer, assuming the constant speed is the same.

Two blocks, stacked one on top of the other, slide on a frictionless horizontal surface. The surface between the two blocks is rough, however, with a coefficient of static friction equal to 0.50. The top block has a mass of 2.

Process by which water vapor changes to a liquid Evaporation Condensation Convection radiation

Part A Find the energy U0 stored in the capacitor. Express your answer in terms of A, d, V, and ϵ0. Remember to enter ϵ0 as epsilon_0.

How many discovered planets are there