In a laboratory test, a car of mass 1200 kg is driven into a concrete wall, as shown in Fig. 2.1.
A video recording of the test shows that the car is brought to rest in 0.36s when it collides with the wall. The speed of the car before the collision is 7.5 m / s.
the change of momentum of the car,
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Plz help me how to do this I know it’s easy but it isn’t for me watch
- Thread Starter
- 23-10-2017 15:19
- 23-10-2017 20:24
Can you workout what the momentum before the collision is? Do you know what the formula for the change of momentum is? How would you use this to find the change in momentum?Last edited by y.u.mad.bro?; 23-10-2017 at 20:25.