Answer:
all the details are in the attached picture, the answers are marked with colour.
An elephant travels 16metes to the left in 20s, what is the average velocity?
1 answer:
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Answer:
Maximum speed of the car is 17.37 m/s.
Explanation:
Given that,
Radius of the circular track, r = 79 m
The coefficient of friction,
To find,
The maximum speed of car.
Solution,
Let v is the maximum speed of the car at which it can safely travel. It can be calculated by balancing the centripetal force and the gravitational force acting on it as :
v = 17.37 m/s
So, the maximum speed of the car is 17.37 m/s.
I think they just want you to rewrite it two other ways:
