1) A car of mass 1000 kg travelling at 15 m/s crashes into the back of a second car of mass 800 kg which was travelling at 5 m/s in the same
direction. The cars lock together after the collision. What velocity
do the cars move off with?

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island