Request a call back

Asked by vikrantdhurdev2020 | 15 Mar, 2024, 04:10: PM

Initial velocity vi of car = 36 km/hr = 36 × (5/18) m/s = 10 m/s

Final velocity vf of car = 72 km/hr = 72 × (5/18) m/s = 20 m/s

if the wheel radius is R =25 cm ,

then inital angular velocity of rotation of wheel, ωi = vi / R = (10 / 0.25) rad/s = 40 rad/s

Final angular velocity of rotation of wheel, ωf = vf / R = (20 / 0.25) rad/s = 80 rad/s

if angular velocity changes in 10 s , then angular acceleration α is

Angular displacement θ in 10 s is calculated from the equation of motion " θ = ωi t + (1/2) α t2 "

Number n of revolution is

n = 600 / (2π ) = 95.5

Answered by Thiyagarajan K | 15 Mar, 2024, 05:45: PM
NEET neet - Physics
Asked by 69sayyappan | 29 Mar, 2024, 10:44: AM
NEET neet - Physics
NEET neet - Physics
Asked by snowgaming267 | 21 Mar, 2024, 01:44: PM
NEET neet - Physics
Asked by vikrantdhurdev2020 | 15 Mar, 2024, 04:10: PM
NEET neet - Physics
Asked by shanthaswamy.07 | 07 Mar, 2024, 10:36: PM
NEET neet - Physics