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Which one of the following relations is ...

Which one of the following relations is true?
a) Distance > Displacement
b) Distance < Displacement
c) Distance >= Displacement
d) Distance <= Displacement

Text Solution

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The correct Answer is:
A, B, C, D
`m=200`
`=0.2 kg, S=10m`
`h=3.2m,g=10m/sec^2`
a. work done `W=mgh=0.2xx10xx3.2`
b. Work done to slide the block up the incline`
`W=(mgsintheta)S`
`=(0.2)xx10xx(3.2/10)xx10`
`=6.4J`
c Let the velocity be v when falls on the ground vertically
`1/2 mv^2-0=6.4J`
`rarr v=8m/sec`
d. Let v be the velocity when reached the ground by sliding
`1/2mv^2-0=6.4j`
`v=8m/sec`
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