A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy of the bl

Question

2 years ago

8

A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy of the bl

ock as a function of position x; the scale of the figure's vertical axis is set by Ks = 46.0 J. If the block's initial speed is 4.50 m/s, what is the normal force on the block?

Physics

1 answer:

ss7ja [257] · Answer 1 · 2022-06-21T23:05:12+03:00

Kinetic energy =1/2 mv^2

m=2ke/v^2 

m=2(34)/3.6^2 

m=5.24 

force normal = mg 
=5.24 x 9.8 
force normal = 51.4N

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