5. A 15-kg stone slides down a snow-covered hill, leaving point A at a speed of 10 m/s. There is no friction on the hill between points A and B, but there is friction on the level ground at the bottom of the hill, between B and the wall. After entering the rough region, the stone travels 100m and the runs into a very long light spring with force constant 2 N/m. The coefficient of kinetic friction is 0.2. a) How far will the stone compress the spring? b) Another object moving in the xy, plane is acted on by a conservative force. The potential energy of the object is described by the formula: U(X.x) = a(x² + y?) + bxy, where a and b are positive constants. Find the x component of the applied force. Find the y component of the applied force. 20 m B 15 m Rough

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Chapter1: Units, Trigonometry. And Vectors
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5. A 15-kg stone slides down a snow-covered hill, leaving point A at a speed of 10 m/s. There is no
friction on the hill between points A and B, but there is friction on the level ground at the
bottom of the hill, between B and the wall. After entering the rough region, the stone travels
100m and the runs into a very long light spring with force constant 2 N/m. The coefficient of
kinetic friction is 0.2.
a) How far will the stone compress the spring?
b) Another object moving in the xy plane is acted on by a conservative
force. The potential energy of the object is described by the formula:
U(X.x) = a(x2 + y?) + bxv, where a and b are positive
Find the x component of the applied force.
Find the y component of the applied force.
20 m
15 m
Rough
Transcribed Image Text:5. A 15-kg stone slides down a snow-covered hill, leaving point A at a speed of 10 m/s. There is no friction on the hill between points A and B, but there is friction on the level ground at the bottom of the hill, between B and the wall. After entering the rough region, the stone travels 100m and the runs into a very long light spring with force constant 2 N/m. The coefficient of kinetic friction is 0.2. a) How far will the stone compress the spring? b) Another object moving in the xy plane is acted on by a conservative force. The potential energy of the object is described by the formula: U(X.x) = a(x2 + y?) + bxv, where a and b are positive Find the x component of the applied force. Find the y component of the applied force. 20 m 15 m Rough
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