Machines that record earthquakes - anywhere in the world are called

28. a stone is projected at a cliff of height h with an initial speed of 42.0 mls directed at angle θ0 = 60.0° above the horizontal. the stone strikes at a, 5.50 s after launching. find (a) the height h of the cliff, (b) the speed of the stone just before impact at a, and (c) the maximum height h reached above the grou

What can you increase the strength of an electromagnet by

How much energy is supplied to each coulomb of charge that flows through a 12-v battery?