3. A block with a mass of 5kg is given a kick up a ramp angled at 35° such that its initial speed is 7.8 m/s. The block travels up the ramp for 4.3m before it stops moving and starts to slide back down. a) Find the initial mechanical energy (K + U) of the block. b) Find the final mechanical energy of the block. ) Determine the force of friction in Newtons. c) The answer to (a) is bigger than the answer to (b). That means the block lost energy to friction along the way. How much work did friction do against the block? Find the coefficient of friction M. i eniged 10122.00 valor 507 ar) got on cada aid: dailymosse ai booge ali hod odt of losques 22 in belges

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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11 nodw Svadob
hallon odi NEW
sile sriin ei
3. A block with a mass of 5kg is given a kick up a ramp angled at 35° such that its initial speed is 7.8 m/s.
The block travels up the ramp for 4.3m before it stops moving and starts to slide back down.
a) Find the initial mechanical energy (K + U) of the block.
b) Find the final mechanical energy of the block.
c) The answer to (a) is bigger than the answer to (b). That means the block lost energy to friction along
the way. How much work did friction do against the block?
d) Determine the force of friction in Newtons.
bollug gried bi di eniged to alloron
od to quid in ons a booge ali onima)
e) Find the coefficient of friction μk.
oxhod odt or losques diky 22 in bolgts at Hud fil
alior to send Sild
Transcribed Image Text:11 nodw Svadob hallon odi NEW sile sriin ei 3. A block with a mass of 5kg is given a kick up a ramp angled at 35° such that its initial speed is 7.8 m/s. The block travels up the ramp for 4.3m before it stops moving and starts to slide back down. a) Find the initial mechanical energy (K + U) of the block. b) Find the final mechanical energy of the block. c) The answer to (a) is bigger than the answer to (b). That means the block lost energy to friction along the way. How much work did friction do against the block? d) Determine the force of friction in Newtons. bollug gried bi di eniged to alloron od to quid in ons a booge ali onima) e) Find the coefficient of friction μk. oxhod odt or losques diky 22 in bolgts at Hud fil alior to send Sild
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