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20-08-2019
Physics

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A paper airplane moving 2.33 m/s has 0.161 J of KE. What is its mass? (Unit = kg)

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rokettojanpu rokettojanpu

20-08-2019

The kinetic energy of an object is given by:

KE = 0.5mv²

KE = kinetic energy, m = mass, v = speed

Given values:

KE = 0.161J, v = 2.33m/s

Plug in and solve for m:

0.161 = 0.5m(2.33)²

m = 0.059kg

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