physics

A truck moving at 100 km /h carries a steel girder that rest on its wooden floor. what is the minimum time in which the truck can come to a stop without the girder moving forward ? The coefficient of static friction between steel and wood is 0.5.

  1. 👍
  2. 👎
  3. 👁
  1. vf=vi+at
    t= vi/a= vi/(force/mass)=-vi*mass/mass*mu= vi/mu=change km/hr to m/s, and you have it.

    1. 👍
    2. 👎
    👤
    bobpursley

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    Meagan will be using a moving truck to move her belongings to another location. She is trying to decide from which company to rent the moving truck: • Option 1: Truck A offers a flat fee of $25 and $.50 per mile. • Option 2:

  2. Physics

    A driver in a truck applies the brakes to come to a stop at a red light. Just before braking, the truck's initial speed was 15 m/s, and it was moving in the north direction. What was the truck's average velocity during braking?

  3. physics

    true or false If a net force acts on an object, the object's speed will change. An object's velocity will change if a net force acts on the object. If two object have the same acceleration, they are under the influence of equal

  4. science(physics)

    A bullet of mass 100g moving with20m/sec .Strikes a wooden plank and peretrates up to 20cm.Calculate the resistance offered by the wooden plank.

  1. algebra

    Meagan will be using a moving truck to move her belongings to another location. She is trying to decide whether to rent Truck A or Truck B: Option 1: Truck A offers a flat fee of $35 and $0.45 per mil Option 2: Truck B offers a

  2. physics

    A force of 300N is sufficient to keep a 100_kg wooden crate moving at constant velocity across a wooden floor. what is the coefficient of kinetic friction?

  3. Algebra

    10. A moving van company charges a fee of 35.00 dollars for the truck rental and 25 cents for every mile the truck travels from the loading location. Let y be the cost in dollars for using the truck for x miles. Write the

  4. Physics

    Consider the collisions between a car and a truck whose weight is much heavier than the car (M ≫ m). Friction is so small that it can be ignored. If they are both moving at the same speed when they collide, what best describes

  1. physics

    Two identical trucks have mass 5400 kg when empty, and the maximum permissible load for each is 8000 kg. The first truck, carrying 4000 kg, is at rest. The second truck plows into it at 63 km/h, and the pair moves away at 40 km/h.

  2. Physics

    A force of 250 N is just sufficient to start a 50 kg steel trunk moving across a wooden floor. Find the coefficient of static friction.

  3. Physics

    A pickup truck is carrying a toolbox, but the rear gate of the truck is missing, so the box will slide out if it is set moving. The coefficients of kinetic and static friction between the box and the bed of the truck are 0.340 and

  4. physics

    A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates an unbanked curve in the road. The curve may be regarded as an arc of a circle of radius 36.5 m. If the coefficient of static

You can view more similar questions or ask a new question.