A girl of mass 550 N throws a ball (0.80 kg) against a wall. The ball strikes the wall horizontally with a speed of 25.0 m/s, and bounces back at the same speed. The ball is in contact with the wall for 0.05 s. What is the magnitude of the average force exerted on the wall by the ball

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.

True or false graphs must include scales that increase by the same amount

If we relied solely on the nonrenewable resources found in the u. s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal