Which of the following is not a vector quantity? A) speed
B) velocity
C) torque
D) displacement

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.