An 825-n sled is pulled a distance of 161 m. the task, Ask an Expert

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Q1. An 825-N sled is pulled a distance of 161 m. The task requires 1.50 ^ 10^4 J of work and is done by pulling on a rope with a force of 137 N. At what angle is the rope held?

Q2. The girl's mass was three-fourths that of the boy. The boy has a velocity of v = +0.31 m/s. What would be the girl's velocity in this case?

Q3. A 4.0 N force acts for 6 s on an object. The force suddenly increases to 12 N and acts for one more second. What impulse was impacted by the forces?

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