A cannon is fired at an angle 35 o above the horizontal at a speed of 72 m/s. What are the initial x and y velocities of the projectile?

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.

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?