An object having a mass of 17 kg and a velocity of 26 m/s collides with another object having a mass of 2900 g that is traveling with a velocity of 13 m/s. What is the final velocity of the
masses if they combine to create a single mass?

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.

What are the necessary conditions for fusion?

In a particular chemical reaction, the energy of the reactants is 30 kj and the energy of the products is 5 kj. 
 the maximum energy of the system is 40 kj. sketch a potential energy diagram for this reaction. make sure to label the energy of the reactants, the energy of the products, the activation energy, and the enthalpy change for the reaction.