During the short interaction between two blocks and that are initially at rest on a…
PHYSICS · Subjective · AP · Physics 1: Algebra-based · Linear Momentum · Linear Momentum
Problem
During the short interaction between two blocks P and Q that are initially at rest on a frictionless surface, the magnitude of the force exerted by P on Q varies with time t according to
F(t)=⎩⎨⎧6000t6000(0.010−t)00≤t≤0.005s,0.005s<t≤0.010s,t>0.010s.
The positive direction is from P toward Q. The mass of P is 3.0kg and the mass of Q is 4.0kg. Neglect external forces.
(i) Evaluate the impulse experienced by block Q.
(ii) What is the impulse experienced by block P? Give its direction.
(iii) Calculate the final velocities of the two blocks after the interaction.
(iv) Show numerically that the total linear momentum of the isolated system remains zero both before and after the interaction.