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Sever21 [200]
3 years ago
11

Studies show that a typical giant hummingbird can flap its wings once in 0.08 of a second.

Mathematics
1 answer:
Licemer1 [7]3 years ago
4 0

Answer:

a. 90

b. 360

Step-by-step explanation:

The time taken by humming bird to flap its wings= 0.08 sec

by flying 7.2 seconds a typical giant hummingbird flap its wings \frac{7.2}{0.08} times

= 90 times

Since, A ruby-throated hummingbird can flap its wings 4 times faster than a giant hummingbird, it will flap its wings in every 0.02 sec

so in 7.2 seconds it will flap \frac{7.2}{0.02} times = 360 times

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