physics

a 1500 kg car moving at 20 m/s strikes a truck waiting at a traffic light, hooking the bumpers. The two continue to move together at 10 m/s. What was the mass of the truck?

  1. 👍
  2. 👎
  3. 👁
  1. 1500 * 20 = (1500+m)10
    m = 1500

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. The driver sees a small gap between a van and an 18-wheel truck and accelerates with constant acceleration along the ramp and onto the freeway. The

  2. physics

    A truck is stopped at a stoplight. When the light turns green, the truck accelerates at 2.5 m/s squared. At the same instant, a car passes the truck going 15 m/s. Where and when does the truck catch up with the car?

  3. Physics

    As a traffic light turns green, a waiting car starts with a constant acceleration of 6.0 m/second squared. At the instant the car begins to accelerate, a truck with the constant velocity of 21 m/ second squared passes in the next

  4. Physics

    A car is stopped at a traffic light. When the light turns green, the driver accelerates so that the car is going 10 m/s after 5s. What is the car’s average acceleration?

  1. Science

    At a distance L equals to 400m from the traffic light, brakes are applied to a locomotive moving at a velociy VEquals to 54 km/hr. Determine the position of the locomotive relative to the traffic light l minute after application

  2. physics

    a car travelling at constant velocity passes a stationary motorcycle at a traffic light as the car overtakes the motorcycle,the motorcycle accelerates uniformly from rest for 10 sec the following displacement time graph represents

  3. Physics

    As a traffic light turns green, a car at rest begins to move forward at a uniform acceleration of 3.1 m/s^2 [E]. At the same time, a truck passes through the intersection travelling at a constant velocity of 15 m.s [E]. At what

  4. physics

    A truck is stopped at a stoplight. When the light turns green, it accelerates at 2.5 m/s². At the same instant, a car passes the truck going 15 m/s. Where and when does the truck catch up with the car? First I found out how long

  1. Physics

    A baseball is hit straight up into the air at an initial velocity of 35 m/s. How long does it take for the baseball to reach its highest position? and As a traffic light turns green, a car at rest begins to move forward at a

  2. Physics

    At the instant the traffic light turns green, a car that has been waiting at an intersection starts ahead with a constant acceleration of 3.55 m/s2 . At the same instant a truck, traveling with a constant speed of 22.0 m/s ,

  3. physics

    The car stationary in front of a red traffic light. As the light turns green , a truck goes past at a constant velocity of 1.5 m/s. At the same moment , the car begins to accelerate at 1.25 m/s 2 . When it reaches 2.5 m/s the car

  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

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