Question

2. A 2 Kg bird is flying at a constant

speed of 7 m/s. What is the bird's
Kinetic energy?

Answer 1

Answer : 49 J
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Answer 2

49 J

Step-by-step explanation:

All we have to do here is use the equation KE=
`(1)/(2)`m
`v^(2)`. Since the mass is 2kg and the speed is 7 m/s, we can plug in the values.

KE=
`(1)/(2)`(2)(
`7^(2)`)

KE= 49 J.