A water skier is pulled behind a boat by a rope. The rope has a tension of 450

N and is at an angle of 21°. What is the ycomponent of the tension?

ОА. 161

213

450 м

420 м

Draw a distance over time graph of a dog that is tied to a 4 foot rope and travels in 1 complete circle

A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 6.0 s later. What was the rocket's acceleration?

Explain what the ionosphere is and how it interacts with some radio waves.

In the diagram above (not to scale), Vx/y = 12.57 meters/second and Vy/z = 5.21 meters/second. What is the value of the resultant vector?

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Why cant kinetic energy ever be greater than potential energy

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Give an example of each simple machine