Question 6 of 10
2 Points
A bird has a mass of 0.2 kg and is flying 10 m above the ground with a speed
of 7 m/s. What is the total mechanical energy of the bird? Acceleration due to
gravity is g = 9.8 m/s2
A. 4.9 J
O
O
O
B. 14.7 J
C. 19.6J
O
D. 24.5 J
SUBMIT

Respuesta :

Answer:

D.24.5

Explanation:

Total mechanical energy

= KE + PE

(assume PE at ground level = 0)

KE=(1/2)mv²

PE=mgh

h=height above ground in m

v=velocity in m/s

Answer is d welcome