A tennis ball is tossed upwards into the air with an initial velocity of +5m/s, how much time does it take for the tennis ball to reach this point?

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.