Answer:
its not moving at a constant velocity because it is slowing down
Explanation:
Basically it is the difference in velocity divided by the time it takes to make that change.
Answer:
What's the fórmula For power
Explanation:
Power=Work
Time
Answer:
an electromagnet is a metal which has the ability to turn into a magnet on passing electricity through it .
But once the electric flow is withdrawn the circuit breaks and it no more behaves like a magnet.
but this is not so in permanent magnets
Explanation:
thus electromagnet is used in magnetic cranes bcoz their magnetism can be controlled conveniently.
