How can you increase the momentum of an object
a. by decreasing its velocity
b. by increasing its mass
c. by increasing its friction
d. by decreasing it acceleration

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

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?