Camping Equipment Weighing 6000 N Is Pulled Across a Frozen

question 29

Multiple Choice

Camping equipment weighing 6000 N is pulled across a frozen lake by means of a horizontal rope.The coefficient of kinetic friction is 0.05.How much work is done by the campers in pulling the equipment 1000 m if its speed is increasing at the constant rate of 0.20 m/s²?

• A)-1.2* 10⁶ J
• B)1.2 *10⁵ J
• C)3.0 * 10⁵ J
• D)4.2 *10⁵ J
• E)4.1 * 10⁶ J

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