Which of the following does NOT travel in a vacuum? w) radio waves
x) gamma rays
y) magnetic waves
z) sound waves

1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)

Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?