Open QuestionObject A moves at 10 m/s at 53° and Object B moves at 5 m/s at –37° as shown below. Calculate the magnitude of the system's total momentum if both objects have a mass of 2kg.172173Has a video solution.
Open QuestionOn a frictionless air hockey table, puck A of mass 0.250 kg moves to the right and collides with puck B of mass 0.38kg, which is initially at rest. After the collision, puck A is moving the left at 0.12 m/s and puck B moves to the right at 0.65 m/s. What was the initial velocity of puck A before the collision?3488Has a video solution.
Multiple ChoiceAn ice skater is spinning with outstretched arms. As he pulls his arms in toward his body, what happens to the rate at which he is spinning, and why?125