Q Explain the following terms.
a) A source of electric current
b) Electrical appliances

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?

A36,287 kg truck has a momentum of 907,175 kg • . what is the truck’s velocity

Many science fiction movies and tv shows have detected using a nuclear weapon to destroy astroids what problems does plait see with this plan