1. The upward force exerted on an object falling through air is _

a. terminal velocity

c. air resistance

b. momentum

d. weightless

Two rock climbers, bill and karen, use safety ropes of similar length. karen's rope is more elastic, called a dynamic rope by climbers. bill has a static rope, not recommended for safety purposes in pro climbing. karen falls freely about 2.

An object in projectile motion will follow wich path

Which part of the ear receives the signal from the eardrum? auditory nerve cochlea hammer ear canal

4) A motorcycle travels at a constant 90 km per hour in the positive direction down a straight line highway. What is the displacement, in standard units, of the car 75 seconds later?

The weight of an object on Earth is determined by

1. According to the nebular theory, the solar system formed from? A. accretion of protoplanets. B. a large, thin cloud of dust and gas. C. colliding planetesimals. D. all of the above 2.

What is the difference between tangential acceleration and centripetal acceleration?

A ball rolls down a ramp. The ball has a mass of 1 kg and it has 18 joules of kinetic energy. What is the ball's speed?

Scientists now think high-fructose corn syrup may disrupt appetite control, making people more often o sleep get angry Ceat fast

What are the strengths and limitations of the doppler method?