Question

What is the kinetic energy of a 900 lbm motorcycle traveling at 60 mph

Answer 1

Kinetic energy of bullet = K.E=12mv2 where, m is the mass of the bullet and v is its ... So, K.E=12⋅(0.02)(300)2=900J.

Answer 2

kinetic energy (K.E) = 734,400 J

Explanation:

Given:

Mass of motorcycle = 900 lbm

Velocity (v) = 60 mph

Find:

kinetic energy (K.E)

Computation:

1 lbm = 0.453592 kg

So,

900 lbm = 408.233

Mass of motorcycle = 408 kg (Approx)

kinetic energy (K.E) = (1/2)mv²

kinetic energy (K.E) = (1/2)(408)(60)²

kinetic energy (K.E) = 734,400 J

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