Question

Find the maximum speed at which a car can take turn round a curve of 20m radius on a level road if the coefficient of friction between the tyres and the road is 0.5.
Take g = 10 m/s².

Answer 1

✨ HERE IS YOUR ANSWER ✨

----------------;)-------------------;)-------------------------
----------------;)-------------------;)-------------------------

➡ Given :-
r = 20m
µ = 0.5
g = 10 m/s²

➡ To find :-
v = ?

➡ SOLUTION :-

➡ mv²/r = f = µR =  µmg
➡ v = √µrg
= √0.5 × 20 × 10
= √100
= 10 m/s

----------------;)-------------------;)-------------------------
----------------;)-------------------;)-------------------------

✨THANKS.✨
❤❤HOPE IT HELPS YOU.❤❤

Answer 2

According to question we have given;

Radius (r) = 20 m

μ = 0.5

g = 10 m/s² (given)


We have to find v.


Formula used is;

mv²/r = f

Now f = μR = μmg

mv²/r = μmg

v = √μrg

v = √0.5 × 20 × 10

v = √100


v = 10 m/s