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Vera_Pavlovna [14]
3 years ago
5

A bird has a mass of 0.8 kg and flies at a speed of 11.2 m/s. How much kinetic energy does the bird have?

Physics
2 answers:
riadik2000 [5.3K]3 years ago
7 0
The kinetic energy of an object is directly proportional to its mass and the square of its velocity

KE = 1/2 (mv²)

KE = Kinetic Energy
m = mass in kg
v = velocity in m/s

Given:

m = .8 kg
v =  11.2 m/s

Substitute:

KE = 1/2 (.8)(11.2²)
KE = 50.18 J
scZoUnD [109]3 years ago
5 0

Answer:

50.2 like the other dude said

Explanation:

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