Physics
roshankhadka929
2021-04-18 10:35:12
A 4.0 kg bird has 8.0 joules of kinetic energy how fast is it flying
ANSWERS
Denihidayat1
2021-04-18 10:47:15

Kinetic energy (KE)= 0.5×mass(m)×velocity(v)² where KE = 8 J, m = 4 kg v² = KE/(0.5×m) = 8/(0.5×4) = 4 v = √4 = 2 m/s

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