dadoymuhammed0 dadoymuhammed0

26-04-2018
Physics

contestada

A 20.0 kg object is at rest, and then speeds up to 16.0 m/s. How much work was done on this system?

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iisAzrael iisAzrael

26-04-2018

Work=Change in Kinetic Energy
1/2mVf^2-1/2Vi^2=W
1/2(20)(16)^2-1/2(20)(0)^2=W
2560-0=W
W=2560J

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