A 50-kg bicyclist coasts up a hill. What is the cyclist change in kinetic energy as her altitude changes from 15m to 20m?

A) 0 joules

B) approximately 2,500 joules

C) approximately 7.500 joules

D) approximately 10.000 joules

You are sitting at the beach and want to determine the speed of a wave. You estimate the wavelength to be 3 m and find the frequency to be 5 Hz. What is the speed of the wave?

A light bulb is left on for an hour and has a power of 0.1KW. How much did it cost?

Could the thermal energy of a bowl of hot water equal that of a cold water? Explain.

Which of the following is considered an individual sport?

You are riding in a train that is traveling at a speed of 120 km/h. How long will it take to travel 950 km? Show Work

Neon, helium, methane, krypton, xenon, hydrogen, and ozone make up & what of the atmosphere

The element in an incandescent light bulb that releases light energy is

Would you expect a hammer and a feather to land on the surface of the moon at the same time

Which of two factors influence the weight of an object due to gravitational pull?

What happens when a lamp plugged into an electrical outlet is turned on? A. Energy is gained. B. The form of energy changes, but the total energy remains the same. C. Energy is lost. D. The form of energy changes and the total energy increases.