physics

An automobile travelling with an initial velocity of 25m/s is accelerated to 35m/s in 6 second. The wheel of automobile is 80cm in diameter. Find the angular acceleration

asked by Vitus
  1. radius= .4m

    wi=25/.4 wf= 35/.4

    angacceleration= (wf-wi)/time

    posted by bobpursley
  2. From the Eqn of motion we have: v=u+at
    =25+35*6
    =360m/s
    recall that angacceleration=v^2/r
    r=40m,
    =360^2*40
    =3240m/s^2

    posted by David

Respond to this Question

First Name

Your Response

Similar Questions

  1. calculus

    An automobile with seven years of use has a commercial value of $34057.7, but five years ago its value was $72250. If the value of such automobile varies exponentially with the time. (36-41) 36.- What was the value of the
  2. calculus

    X. An automobile with seven years of use has a commercial value of $34057.7, but five years ago its value was $72250. If the value of such automobile varies exponentially with the time. (36-41) 36.- What was the value of the
  3. Calculus

    Two automobiles are travelling on intersecting roads. The first automobile is travelling northeast at 35 km/h. The second automobile begins 7 km north of the first, and it is travelling east at 25 km/h. Assuming that these cars
  4. Physics

    6)A 700kg car is travelling at a constant velocity of 35m/s when it slams on the brakes and comes to a stop. How far did the car travel during braking if the coefficient of kinetic friction is 0.62 ? (Hint: if the accelerator is
  5. Physics

    **I JUST NEED THE STEPS ON HOW TO SOLVE THE PROBLEMS** An object experiences an acceleration of 6.8m/s^2. As a result, it accelerates from rest to 24m/s. How much distance did it travel during that acceleration? A car which is
  6. Physics

    An automobile moving at a constant velocity of 25m/s passes a gasoline station. Two seconds later, another automobile leaves the gasoline station and accelerates at a constant rate of 4.0m/s^2. how soon will the second automobile
  7. physics

    A mass is given an initial velocity up a frictionless 28 deg. incline and reaches a vertical hight of 1.35m. What was the initial velocity?
  8. physics 11

    A 1000 kg car travelling at 25m/s south collides head-on with a 2250 kg car travelling at 10m/s in the opposite direction. They stick together after collision. Which way does the wreckage move? What is their final velocity?
  9. physics

    Car A with a mass of 1000kg is travelling east at 25m/s when it collides with car B, 2000kg, travelling north at 15m/s. After the collision, the two cars stick together and have the same velocity. Assume that they slide without
  10. Physics help

    Are you sure that's how you do #4 because they have 2 different directions. I need physics help. I don't understand how to do these questions. Can someone show me what I should use? and explain. I'll do calculations by myself. A

More Similar Questions