• A race car completes 3 rounds of a circular race
track of radius 20 meter in
2min what will be
its displacement after time 270sec
Answers
Answered by
0
Answer:
Data:
Q(theta)=3×2π = 18.84 rads
r(radius)= 20m
S(displacement)=?
solution:
No of rounds completed by a car in 2 mins = 18.84.
No of rounds completed by a car in 120 secs= 18.84.
No of rounds completed by a car in 1 sec= 18.84/120
No of rounds completed by a car in 270 secs= 18.84×270/120 = 42.39 rads.
Now,
S=rQ
S= 20×42.39
S= 847.8m
Similar questions