A penny is dropped off the top of the Stratosphere from rest and falls freely with the acceleration due to gravity (9.81 m/s2). After 5 seconds, how far has it fallen (Ax)?

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Which subatomic particle has a negative charge