A boy throws a ball at a brick wall compare and contrast the force exerted by the ball into the wall and a force exerted by the wall onto the wall

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.