9. A block of mass (m) slides down an incline plane with constant speed from height (h) (at point A speed is v, at point B speed is also v). What is the work done by the friction ? (0)-(mgcos) x (A/sin@) (b)- mghaine (e) -mgh (d) - mghcose (e) 0

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Chapter5: Energy
Section: Chapter Questions
Problem 8P: A block of mass m = 2.50 kg is pushed a distance d = 2.20 m along a frictionless horizontal table by...
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• 9. A block of mass (m) slides down an incline plane with constant speed from height (h) (at
point A speed is v, at point B speed is also v). What is the work done by the friction ?
(a)-(mgcos) x (h/sine) (b)- mghaino (e) -mgh (d) - mghcose (e) 0
3
Transcribed Image Text:• 9. A block of mass (m) slides down an incline plane with constant speed from height (h) (at point A speed is v, at point B speed is also v). What is the work done by the friction ? (a)-(mgcos) x (h/sine) (b)- mghaino (e) -mgh (d) - mghcose (e) 0 3
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