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Bus travellling through town, with a mass of 5040kg and kinetic energy of 493900J. I need the velocity.

Respuesta :

jennyli013
KE=1/2*m*(v^2)
493900J=1/2*5040kg*(v^2)
v=14m/s
chew2ter

Answer:

v = 14 m/s

Explanation:

KE = 1/2mv²

493900 = (1/2)(5040)(v)²

(v)² = 493900/2520

v = √493900/2500

v = 13.9997

v = 14 m/s

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