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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

User Kaddy
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2 Answers

3 votes
Answer is d welcome
User Liju
by
7.1k points
4 votes

Answer:

D.24.5

Step-by-step 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

User Desimusxvii
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