An electric motor draws out 5 A of current from a 20 V battery. How much power is it using?

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?