chloesmolinski0909 chloesmolinski0909

09-12-2018
Physics

contestada

A 0.5kg bird has a PE of 137.2 J. What height is its perch?

Respuesta :

danialmkhan danialmkhan

09-12-2018

PE = mgh

137.2 = .5*9.8*h

h=137.2/(.5*9.8)

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osprey2015 osprey2015

09-12-2018

mgh

137.2=.5x10xh

137.2/5=h

~140/5=28metres approx ... tweet tweet

Answer Link

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