Recent content by Jinsung

Anyone know of any possible ways in which youtuber's like Nigahiga compose their own music? Do they use computer software, etc? If so, which software?

What force is needed to change the velocity of a vehicle of mass 5000kg from a velocity of 20m/s to 30m/s if it takes 5 seconds for the change?

WHat program would I use to animate an arrow to point at something so that viewers will pay attention to it (eg. a vase in the background). The video is one that you would film using a camera.