physics help! (1 Viewer)

[maths lover]

a car traveling east at 20m/s moves around a curve at constant speed until it is traveling south at the same speed. if the car takes 5s calculate the centripetal acceleration.

i am a bit confused as to how to find the radius do we find the distance then multiply it by 4. and form a equation knowing what the circumference is equal to.

help please

 

[ohexploitable]

d=st=20*5=100

so a quarter of teh circle is 100m

C=400m, 2pi r=400, r=200/pi

a=v^2/r
a=400/(200/pi)
a=2pi m/s^2 towards teh centre

 

[maths lover]

yay my idea was correct