T is the time for a whole round.
centripetal acceleration = V^2/R,
20 = 40^2 / R, find R = 40^2/20 = 40*40/20 = 80 m, right?
Now, one round is L = 2*pi*R = 2*pi*80 = 160*pi
And T = L/v (distance/speed) = 160*pi/40 = 4*pi seconds, or ~ 12.57 s
Answer:
a bale
Explanation:
a bale is a group of turtles
Answer:
C: revolution of the Earth around the Sun
Explanation:
No, the rate of gravity remains constant
The Electromagnetic spectrum.