A 2 kg bullet hits a 19.8 kg block of wood at rest. If the bullet sticks into the wood and sends the block flying at 10.8 m/s away what wa the velocity of the bullet?
Round your answer to the nearest hundredth and don't forget your units

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.