Force of attraction between the Earth (m=5.98x10^24) and a 70 kg student. distance of 6.38x10^6

You can determine the index of refraction of a substance by determining its critical angle. (a) What is the index of refraction of a substance that has a critical angle of 47.3° when submerged in ethanol, which has an index of refraction of 1.

An approaching storm is moving at 15 km an hour what do you need to know to determine its velocity

You lift a 30 N crate 2 meters onto a shelf. it takes you 5 seconds to accomplish this. how much gravitional potential energy does the crate gain

Becky and Michael went to the grocery store to buy ingredients for trail mix. They filled one bag with almonds and weighed it three times on the store's scale. The results are shown below. trial weight (lbs.) 1 3.29 2 3.71 3 2.

What is the maximum rated voltage for a 100 ohm 1/4 watt resistor?

Along some shorelines, incoming waves cause the water to simply rise and fall rather that form a surf zone. What does this tell you about these shorlines?

Which word best describes the rate at which work is done? work energy power velocity

Explain why a valve would last longer in the pulmonary position than in the aortic position

Think about the process of heating water, the heating and upward motion of hot steam and air, and the spiral spinning. For these events, list each form of energy associated with the heat source, the water, the steam and air, and the spiral.

A long rope with mass m is suspended from the ceiling and hangs vertically. A wave pulse is produced at the lower end of the rope, and the pulse travels up the rope.