A metal piece of mass 250 gm at 80°C is dropped into 120gm of water atz0ºC. Find the final temperature reached, if the specific heat capacity of metal is 0.09cal/gmK. (29.50C)

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Describe uniform velocity and variable velocity in short

A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s