1.

A block is resting on a piston which is moving vertically with simple harmonic motion of period 1.0 second. At what amplitude of motion will the block and piston separate? What is the maximum velocity of the piston at this amplitude?

Answer» The block and piston will just separate if
`a_(max)=g or omega^(2)A=g or (4pi^(2))/(T^(2))A=g`
or `A=(T^(2)g)/(4pi^(2))=((1.0)^(2)xx9.8)/(4xx(22//7)^(2))=0.248m`
Max. velocity of the block is
`v_(max)=omega=(2pi)/(T)A=(2xx3.142)/(1.0)xx0.248`
`=1.56ms^(-1)`


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