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Exercise 7.9 A small rock with mass 0.16 kg is released from rest at point A, which is at the top edge of a large, hemispherical bowl with radius R=0.42 m (Eigure 1). Assume that the size of the rock is small compared to R, so that the rock can be treated as a particle, and assume that the rock slides rather than rolls. The work done by friction on the rock when it moves from point A to point B at the bottom of the bowl has magnitude 0 22 J Figure A- 11°C Bulutlu R V < 1 of 1 Ara Between points A and B, how much work is done on the rock by the normal force? Express your answer in joules. VO ΑΣΦ W = Submit Part B W = Submit Request Answer Between points A and B, how much work is done on the rock by gravity? Express your answer in joules. 1ΨΕΙ ΑΣΦ Part C B Request Answer J J
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Transcribed Image Text:Exercise 7.9 A small rock with mass 0.16 kg is released from rest at point A, which is at the top edge of a large, hemispherical bowl with radius R=0.42 m (Eigure 1). Assume that the size of the rock is small compared to R, so that the rock can be treated as a particle, and assume that the rock slides rather than rolls. The work done by friction on the rock when it moves from point A to point B at the bottom of the bowl has magnitude 0 22 J Figure A- 11°C Bulutlu R V < 1 of 1 Ara Between points A and B, how much work is done on the rock by the normal force? Express your answer in joules. VO ΑΣΦ W = Submit Part B W = Submit Request Answer Between points A and B, how much work is done on the rock by gravity? Express your answer in joules. 1ΨΕΙ ΑΣΦ Part C B Request Answer J J
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