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Unformatted text preview: seunsom (avs294) HW4 bohm (59970) 1 This printout should have 6 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. 001 10.0 points A soccer ball kicked with a force of 14 . 2 N accelerates at 6 . 9 m / s 2 to the right. What is the mass of the ball? Correct answer: 2 . 05797 kg. Explanation: Basic Concept: vector F net = summationdisplay vector F = mvectora . Let : F net = 14 . 2 N to the right a = 6 . 9 m / s 2 to the right . Solution: m = F net a m = (14 . 2 N) (6 . 9 m / s 2 ) = 2 . 05797 kg . 002 (part 1 of 2) 10.0 points A bag of produce weighs 5 . 73 lb on Earth. What should it weigh on the Moon, where the freefall acceleration is 1 6 that on Earth? Correct answer: 4 . 24975 N. Explanation: Given : W E = 5 . 73 lb and g M = g E 6 . The weight of the bag of sugar on the Moon is W M = m g M = m g E 6 = W E 6 = 5 . 73 lb 6 4 . 45 N 1 lb = 4 . 24975 N ....
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This note was uploaded on 10/22/2008 for the course PHY 302K taught by Professor Kaplunovsky during the Spring '08 term at University of Texas.
 Spring '08
 Kaplunovsky
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