three students make the following claims about determining the average speed and average velocity of the object over the entire time interval depicted in the graph below … which claim is correct?

Aproton is projected toward a fixed nucleus of charge +ze with velocity vo. initially the two particles are very far apart. when the proton is a distance r from the nucleus its velocity has decreased to 1/2vo. how far from the nucleus will the proton be when its velocity has dropped to 1/4vo?

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?

Acar going 30 m/s to 70 m/s in 10 seconds calculate the acceleration of the car