F = 1/t
F = 1/0.5
F = 2Hz
Answer is 2Hz
Answer:The answer is when a metal plate is pressed against a fast spinning piece of steel hard enough to stop it. i know this because I just took a test and got this question and got it write
Explanation:
I think the smartest answer would be C sorry if i’m writing though
<span>A wedge is a double sided screw basically. Therefore, the difference is the number of sides.</span>