An object is moving with an initial velocity of 6.5m/s. It is then subject to a constant acceleration of 2.1m/s^2 for 14s. How far will it have traveled during the time of its acceleration?

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?

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

What will a positive and a negative charge do if they are separated from each other?