PHYS-114 [Russell] Practice Test 3 (Winter 08)

# PHYS-114 [Russell] Practice Test 3 (Winter 08) - PHYS-114...

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PHYS-114 Test #3 Chapters 9,10,11 ( Conservation of Momentum and Energy ) Name (please print): _____________________________________ Raw Score: _________ Test Grade: ___________ [1] (10 pts) A 3.7kg box is sliding across an icy pond with a velocity of 8.0 m/s. A gust of wind exerts a force as shown in the graph at right. What is the final velocity of the box? [2] (10 pts) A 3.7 kg box is sliding across an icy pond with a velocity of 8.0 m/s to the right. A constant wind gust of strength F wind = 4.5 N blows on the box in the direction shown in the figure. When the wind stops blowing the box’s speed has increased to 9.2 m/s. How far did the box travel while the wind was blowing?

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Page 2 of 3 PHYS-114 Test #3 Fall 2007 [3] (10 pts) A 3.7 kg box is sliding across an icy pond with a velocity of 8.0 m/s in the positive x - direction. The box explodes into two pieces, m1 = 2.5 kg and m2 = 1.2 kg. After the explosion, the larger piece is moving in the positive x -direction with a speed of 13.5 m/s. What is the velocity
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PHYS-114 [Russell] Practice Test 3 (Winter 08) - PHYS-114...

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