contestada

A car makes one lap around a track of radius 50m in 9 seconds. Find speed of car and centripetal acceleration.

Respuesta :

Speed = distance/time
So 2 x pi x r = distance
So 100 x pi
=314.15m
314.2/9 m/s Is speed
Centripetal acceleration is velocity squared over radius
So 34.99^2/50. (314.2/9)
So 1225/50 = 24.5 centripetal acceleration
Can I get brainliest answer.