Midterm Test No Solutions

Midterm Test No Solutions - PIIS Midtenn Test October 28,...

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Unformatted text preview: PIIS Midtenn Test October 28, 1996 Page 2 of 7 A pop fly is hit at 60 above the horizontal with an initial speed of 120 km/h, and an initial height of 80 cm above the ground. By how ~ucl\, will it clear the 20 m high stands 30 m away? Answer in meters. (A) does not clear (B) 5.0 (C) 26.7 ~~ (E)~~_- _-'_/A__- . - - A balloon is moving straight up at 10.0 m/s. When the balloon is 100.0 m above the ground, a person in the balloon drops a stone. One second later, another person in the balloon throws a second stone downward with a velocity of 25.0 m/s ~lative to thC hillaan. Find the time, t, between when the second stone strikes the ground and the rust stone strikes the ground. Answer in seconds. (NOTE: Negative values mean that the second stone strikes the groUnd before-the rust stone.) [~~~~~J (B) -2.1 (C) +3.6 (0) +5.7 (E) +8.2- 2. . X J'~ 3. A bar which is not UDifonn in weight is suspended by tWo strings which make angles of 36.90 and 53.10 with respect to the walls. Fmd the center of mass position of the bar, measured from the left end of the bar. Answers are in meters....
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Midterm Test No Solutions - PIIS Midtenn Test October 28,...

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