Why isn't acceleration always zero whenever velocity is zero, such as the moment a ball bounces off a wall?
35331
How can an object's instantaneous speed be zero and it's instantaneous acceleration be nonzero?
8433
Can linear momentum be conserved before and after collision in the presence of an external force?
32168
How can we move an object with zero velocity?
121639
Is momentum conserved in this situation?
31123
Is angular momentum conserved if you move off at a Tangent?
31673
When should I use velocity versus addForce when dealing with player objects?
148993
Can the initial time be non-zero?
152862
Velocity is to speed as acceleration is to ________?
32338
A Basic Question about Gravity, Inertia or Momentum or something along those lines
110980
Why is momentum conserved in inelastic collisions? How is it related to momentum-impulse theory?
53298
Why is momentum conserved when a ball hits a vertical wall?
8798
During a collision, why is momentum not conserved in a participant's frame of reference?
61017
What happens with the force of gravity when the distance between two objects is 0?
45283
Why don't virtual particles violate conservation of mass/energy?
29341
Why is average velocity the midpoint of initial and final velocity under constant acceleration?
127450
How can the electric potential be zero at a point where the electric field isn't, if that field can give a test charge kinetic energy?
111394
Does conservation of momentum really imply Newton's third law?