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
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
times = 360 times
The constant of proportionality should be 45 miles per hour, and the car should travel 135 miles in three hours.
Answer:
2nd answer
Step-by-step explanation:
It has a lot of strong beats and the rhythm sounds better than A and C.
The measure of angle 1 is 60* since it is 1/6 of 360*.