PHYS 201 Midterm: PHYS 201 TAMU 201Fall 07 Exam 2
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The formula sheet exam and doesn t have to he turned in. is the last page of the exam. It can be torn off from the rest of the. No work needs to be shown. (6 pts) 1. A small rock is projected from the roof of a 20. 0 m tall building with a velocity of 30. 0 rn/s at an angle of 30. 0 above the horizontal. When the rock is at its maximum height above the roof, its speed is (a) zc() (b) 15. 0 rn/s (c) 26. 0 rn/s (ci) 30. 0 rn/s (e) none of the above (6 pts) 2. Two boxes are sitting on a horizontal frictionless surface. Box a has mass 30. 0 kg and box b has mass 20. 0 kg. The two boxes are connected by a light horizontal rope. A horizontal force of 200. 0 n is applied to box a. as shown, and the boxes move to the right.
