Answer:
Increasing the speed of an object decreases its motion energy. Increasing the speed of an object increases its motion energy. Increasing the speed of an object does not affect its motion energy. Whether or not its motion energy is affected depends on how much its speed was increased.
Explanation:
Answer: Electromagnets can be turned on and off by controlling the current
Explanation:
Answer:
Explanation:
This is simple logic. If the top can spin 6000 times before it starts to topple, and each minute the top can spin 800 times,
6000/800 = 7.50 minutes
No the vector can never be shorter than one of its components