PHSX 114 - Homework #12

PHSX 114 - Homework #12 - 930-kg car 650 m up along a 9.3...

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PHSX 114 – HOMEWORK # 12 Question 1: (1 point) A 1,900-N crate rests on the floor. Enter scientific notation as 1.23E4. a. How much work is required to move it at constant speed 4.9 m along the floor against a friction force of 220 N ? [Num] [Units] b. How much work is required to move it at constant speed the same distance vertically? [Num] [Units] Question 2: (2 points) What is the minimum work needed to push a
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Unformatted text preview: 930-kg car 650 m up along a 9.3 incline? Enter scientific notation as 1.23E4. a. Ignore friction. [Num] [Units] b. Assume the effective coefficient of friction retarding the car is 0.17 . [Num] [Units] Question 3: (1 point) How much work must be done to stop a 1,310-kg car traveling at 129 km/h ? Enter scientific notation as 1.23E4. 1 Number Units 2...
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PHSX 114 - Homework #12 - 930-kg car 650 m up along a 9.3...

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