Aparticle moves along a line so that its velocity at time t is v(t) = t2 − t − 20 (measured in meters per second). (a) find the displacement of the particle during 1 ≤ t ≤ 9. (b) find the distance traveled during this time period.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving