A long ramp made of cast iron is sloped at a constant angle θθ = 52.0∘∘ above the horizontal. Small blocks, each with mass 0.42 kgkg but made of different materials, are released from rest at a vertical height h above the bottom of the ramp. In each case the coefficient of static friction is small enough that the blocks start to slide down the ramp as soon as they are released. You are asked to find h so that each block will have a speed of 4.00 m/sm/s when it reaches the bottom of the ramp. You are given these coefficients of sliding (kinetic) friction for different pairs of materials. Material 1 Material 2 Coefficient of Sliding Friction Cast iron Cast iron 0.15 Cast iron Copper 0.29 Cast iron Lead 0.43 Cast iron Zinc 0.85 Part A Use work and energy considerations to find the required value of hh if the block is made from cast iron. Express your answer with the appropriate units. h1h1 = nothingnothing SubmitRequest Answer Part B Use work and energy considerations to find the required value of hh if the block is made from copper. Express your answer with the appropriate units. h2h2 = nothingnothing SubmitRequest Answer Part C Use work and energy considerations to find the required value of hh if the block is made from zinc. Express your answer with the appropriate units. h3h3 = nothingnothing SubmitRequest Answer Part D What is the required value of hh for the copper block if its mass is doubled to 0.84 kgkg? Express your answer with the appropriate units. h4h4 = nothingnothing SubmitRequest Answer Part E For a given block, if θθ is increased while hh is kept the same, does the speed vv of the block at the bottom of the ramp increase, decrease, or stay the same? For a given block, if is increased while is kept the same, does the speed of the block at the bottom of the ramp increase, decrease, or stay the same? increase decrease stay the same SubmitRequest Answer Return to AssignmentProvide Feedback

A long ramp made of cast iron is sloped at a constant angle θθ = 52.0∘∘ above the horizontal. Small blocks, each with mass 0.42 kgkg but made of different materials, are released from rest at a vertical height h above the bottom of the ramp. In each case the coefficient of static friction is small enough that the blocks start to slide down the ramp as soon as they are released. You are asked to find h so that each block will have a speed of 4.00 m/sm/s when it reaches the bottom of the ramp. You are given these coefficients of sliding (kinetic) friction for different pairs of materials. Material 1 Material 2 Coefficient of Sliding Friction Cast iron Cast iron 0.15 Cast iron Copper 0.29 Cast iron Lead 0.43 Cast iron Zinc 0.85 Part A Use work and energy considerations to find the required value of hh if the block is made from cast iron. Express your answer with the appropriate units. h1h1 = nothingnothing SubmitRequest Answer Part B Use work and energy considerations to find the required value of hh if the block is made from copper. Express your answer with the appropriate units. h2h2 = nothingnothing SubmitRequest Answer Part C Use work and energy considerations to find the required value of hh if the block is made from zinc. Express your answer with the appropriate units. h3h3 = nothingnothing SubmitRequest Answer Part D What is the required value of hh for the copper block if its mass is doubled to 0.84 kgkg? Express your answer with the appropriate units. h4h4 = nothingnothing SubmitRequest Answer Part E For a given block, if θθ is increased while hh is kept the same, does the speed vv of the block at the bottom of the ramp increase, decrease, or stay the same? For a given block, if is increased while is kept the same, does the speed of the block at the bottom of the ramp increase, decrease, or stay the same? increase decrease stay the same SubmitRequest Answer Return to AssignmentProvide Feedback

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Part A

Use work and energy considerations to find the required value of hh if the block is made from cast iron.

Express your answer with the appropriate units.

h1h1 =

nothingnothing

SubmitRequest Answer

Part B

Use work and energy considerations to find the required value of hh if the block is made from copper.

Express your answer with the appropriate units.

h2h2 =

nothingnothing

SubmitRequest Answer

Part C

Use work and energy considerations to find the required value of hh if the block is made from zinc.

Express your answer with the appropriate units.

h3h3 =

nothingnothing

SubmitRequest Answer

Part D

What is the required value of hh for the copper block if its mass is doubled to 0.84 kgkg?

Express your answer with the appropriate units.

h4h4 =

nothingnothing

SubmitRequest Answer

Part E

For a given block, if θθ is increased while hh is kept the same, does the speed vv of the block at the bottom of the ramp increase, decrease, or stay the same?

For a given block, if is increased while is kept the same, does the speed of the block at the bottom of the ramp increase, decrease, or stay the same?

increase

decrease

stay the same

SubmitRequest Answer

Return to AssignmentProvide Feedback

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