Is this correct A block is sliding up a ramp at an angle of 0 = 27° to the horizontal. Its initial speed is6.3 m/s. After sliding 2.8 m along the ramp, it comes to a rest. What is the coefficientof kinetic friction, uk, between the block and the ramp?0 GivensQ=27vi = 6.3m1SAd = 2.8m.vf Gvf²= v₁² + 2a Ad²-vi²VF424¢a = 102² -(63) 2²2x2.8â=-39.69m155.619= -7.09ms 4plug inSolutiony-axisFrety: Fsy FNFN=FgyFNF CUSLplug inFretx=Fgx-FrFnet x = Fysing -Frmg masing-FNUL*g=wigsinG - wig cos & ut9-gsinG-GEOS & UK-uk-agsine-grosикса gsinоglasoWki(-7.09m/s²) - 14,8~15²) Sin 270(9.8 (05270)4k = 11.3391069-8.7318639374K = 1.321494120uk= 1.32The coefficent of kineticfriction is1,32Hilroy

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A block is sliding up a ramp at an angle of 0 = 27° to the horizontal. Its initial speed is 6.3 m/s. After sliding 2.8 m along the ramp, it comes to a rest. What is the coefficient of kinetic friction, uk, between the block and the ramp? 0

A block is sliding up a ramp at an angle of 0 = 27° to the horizontal. Its initial speed is 6.3 m/s. After sliding 2.8 m along the ramp, it comes to a rest. What is the coefficient of kinetic friction, uk, between the block and the ramp? 0

Physics for Scientists and Engineers, Technology Update (No access codes included)

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Author:Raymond A. Serway, John W. Jewett

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Chapter10: Rotation Of A Rigid Object About A Fixed Axis

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Problem 10.5OQ: Suppose a cars standard tires are replaced with tires 1.30 times larger in diameter. (i) Will the...

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Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

Is this correct

A block is sliding up a ramp at an angle of 0 = 27° to the horizontal. Its initial speed is
6.3 m/s. After sliding 2.8 m along the ramp, it comes to a rest. What is the coefficient
of kinetic friction, uk, between the block and the ramp?
0

Givens
Q=27
vi = 6.3m1S
Ad = 2.8m.
vf G
vf²= v₁² + 2a Ad
²-vi²
VF
4
24¢
a = 102² -(63) 2²
2x2.8
â=
-39.69m15
5.6
19= -7.09ms 4
plug in
Solution
y-axis
Frety: Fsy FN
FN=Fgy
FNF CUS
L
plug in
Fretx=Fgx-Fr
Fnet x = Fysing -Fr
mg masing-FNUL
*g=wigsinG - wig cos & ut
9-gsinG-GEOS & UK
-uk-
agsine
-gros
икса gsinо
glaso
Wki
(-7.09m/s²) - 14,8~15²) Sin 270
(9.8 (05270)
4k = 11.3391069
-8.731863937
4K = 1.321494120
uk= 1.32
The coefficent of kinetic
friction is
1,32
Hilroy

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