A box of mas 2 kg was released from a helicopter flying horizontally at a speed og 20m/s. find the kinetic energy of the box after 6,5 seconds?
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A box of mas 2 kg was released from a helicopter flying horizontally at a speed og 20m/s. find the kinetic energy of the box after 6,5 seconds?
1 Jawaban
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1. Jawaban nicohanstein
mass = 2 kg
velocity = 20 m/s
time = 6,5 seconds
kinetic energy = ?
kinetic energy = 1/2.m.v^2
kinetic energy = 1/2.2.20^2
kinetic energy = 400 J
kinetic energy after 6,5 seconds :
400 J. 6,5 seconds = 2600 Joule
Answer : 2600 Joule