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Answer to Question #81343 in Physics for Racquel

Question #81343
On a snowy day, Max (mass = 15 kg) pulls his little sister Maya in a sled (combined mass = 20 kg) through the slippery snow. When Max pulls on the sled with 12 N of force, directed at an angle of 15° above the ground, how much work does Max do on the sled as he pulls his sister 25 m in the snow?
1
Expert's answer
2018-09-26T10:23:08-0400
W=F_net d=(F cos⁡θ-F_fr )d
W=(12 cos⁡15-4)25=190 J.

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