Thursday
March 30, 2017

Post a New Question

Posted by on .

If your car accelerates from rest at a steady rate of 4 m/s2, how soon will it reach 81 km/h (50.3 mph or 22.5 m/s)?

  • physics - ,

    Current velocity = (time)*(acceleration) + initial velocity
    22.5 = time*4 + 0
    time = 22.5/4 = 5.625 seconds

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question