Aceiling fan is turned on and reaches an angular speed of 120 rev/min in 20 s. it is then turned off and coasts to a stop in an additional 60 s. the ratio of the average angular acceleration for the first 20 s to that for the last 60 s is which of the following?
Because if we will mental it... Think The ball a is thrown upward even it can pull downward by the gravity ball b is the fastest because the ball b has already force to hit the ground and when the gravity pull it the force that has the ball b much be faster than its original force
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To get the speed of Elma, we should always remember the formula.
Speed = distance divided by time or Speed = distance/time
Given: distance = 200 meters
time = 24.42 seconds
Speed = 200/24.42 = 8.19000819 m/s or approximately 8.19 m/s
For more information about speed, distance, and time, please check out these links, , , and
f-Frequency of the light