You are visiting Six Flags Over Texas and are riding the latest rollercoaster. The coaster full of people (mass of 1200 kg) travels 16 m/s down the first hill. How much KE does the coaster have?
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An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false