Physics

posted by .

a cars speedometer reads 20 m/s after acceleration from standing start, for 25s. what was the magnitude of acceleration?

  • Physics -

    a=v/t=20/25 = ...

  • Physics -

    0.8

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics

    An electric drill starts from rest and rotates with a constant angular acceleration. After the drill has rotated through a certain angle, the magnitude of the centripetal acceleration of a point on the drill is twice the magnitude …
  2. Physics

    Compute the magnitude of the tangential acceleration, the radial acceleration, and the resultant acceleration of a point on its rim after it has turned through 38.2^\circ. Enter your answers separated with commas.
  3. Physics(Please help)

    A fan blade is rotating with a constant angular acceleration of +12.4 rad/s2. At what point on the blade, as measured from the axis of rotation, does the magnitude of the tangential acceleration equal that of the acceleration due to …
  4. physics

    At 2:15 pm a passenger looks over at the speedometer and notices that they are going 55 miles per hour DUE WEST. at 2:37 pm this very passenger hears a siren and looks over the speedometer again; she notices that they are going 83 …
  5. physics

    Luke stands on a scale in an elevator which has a constant acceleration upward. The scale reads 0.964 kN. When Luke picks up a box of mass 18.2 kg, the scale reads 1.202 kN. (The acceleration remains the same.) Calculate the acceleration …
  6. Physics

    Luke stands on a scale in an elevator which has a constant acceleration upward. The scale reads 0.964 kN. When Luke picks up a box of mass 18.2 kg, the scale reads 1.202 kN. (The acceleration remains the same.) Calculate the acceleration …
  7. Physics

    Need Help with physics! Two cars drive on a straight highway. At time t = 0, car 1 passes mile marker 0 traveling due east with a speed of 17.0 m/s. At the same time, car 2 is 1.3 km east of mile marker 0 traveling at 30.0 m/s due …
  8. Calculus

    At 2:00 PM a car's speedometer reads 30 mi/h. At 2:10 PM it reads 50 mi/h. Show that at some time between 2:00 and 2:10 the acceleration is exactly 120 mi/h^2.
  9. physics

    A bus accelerates from rest at 1.5m/s^2 for 12s. It then travels for 25s after which it slows to a stop with an acceleration of magnitude 1.5m/s^2. (a) Find the total distance the bus travels And its average velocity of the trip.
  10. Calculus

    At 2:00pm a car's speedometer reads 60mph, and at 2:10pm it reads 65mph. Use the Mean Value Theorem to find an acceleration the car must achieve. Answer( in mi/h2):

More Similar Questions