Car A has a mass of 1000 kg and a speed of 30 km/h, and car B has a mass of 2000 kg and a speed of 30 km/h. The kinetic energy of car A is . *

Is it possible to use the energy from two atoms colliding to create a clean burning lasting fuel source with a large amount of force? is it also possible to harness that energy from the two atoms colliding to create a clean energy source that will last for years from just two atoms colliding. is there a possibility to control and store that energy for years but slowly let the energy out enough to power cities cheaper and faster.

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

Ineed the answer to question 1 , i’m desperate