Question 2: Two objects of masses 10kg and 20kg have velocities v

Question 3: The momentum of an object is given by p(t) = 2t

Question 4: A flat metallic piece of uniform density has a shape and dimensions shown below. A circle of 5cm diameter is cut out of a 100 cm

Question 5: A rod of length l = 1m has a mass density that changes with position x, ρ(x) = x + 1. The center of mass of the rod is at:

Question 6: A rigid board of mass M and moment of inertia I is free to rotate about a hinge and is released from rest when it is in a horizontal position as shown below. What is the angular acceleration if four forces, all of magnitude F, are applied to the bar?

Question 7: A cylinder with moment of inertia I = 10 kg·m

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