True or False: An acid is a solution that has an excess of H+ ions.

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

The slope of a velocity time graph over any interval of time gives the during that interval

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter