Aracing yacht has a mass of 400kg and is travelling at a velocity of 12m/s.
a gust of wind increases its velocity to 25m/s. calculate the change in momentum of the yacht caused by the gust of wind.

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

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?

Atelevision set that has been running for a while heats up even the air around it. which two laws of thermodynamics could be used to analyze this scenario