Alec says the force of gravity is stronger on a piece of paper after it’s crumpled. his classmate, jordan, disagrees. alec “proves” his point by dropping two pieces of paper, one crumpled and the other not. sure enough, the crumpled piece falls faster. has alec proven his point? use at least 2 to 3 complete content related sentences to explain.

The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s

What is a possible result of higher air temperature caused by global warming

What are the north and south poles of a solenoid change with?