In a video game, a flying coconut moves at a constant velocity of 20 meters/second. the coconut hits an obstacle and moves in the opposite direction with a constant velocity of 10 meters/second. what’s the change in velocity of the coconut?

A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?

What’s #16 asking me and how do i solve it?

Which class of lever is a baseball bat? what are the parts of a baseball bat's lever class? describe each one.enter your answer in the space provided.(this question you write your own answer.)i couldn't find the right category, so sorry if this doesn't match.