1. Can you stop the Car and/or the Bullet
Created for CVCA Physics by
Dick Heckathorn
19 January 2K + 5

2. A 100-gram bullet and a 1500-kg car, each strike a block of wood
A 100-gram bullet and a 1500-kg car, each strike a block of wood. The bullet has an initial speed of 300 m/sec; the car, 0.02 m/sec.

3. A 100-gram bullet and a 1500-kg car, each strike a block of wood
A 100-gram bullet and a 1500-kg car, each strike a block of wood. The bullet has an initial speed of 300 m/sec; the car, 0.02 m/sec.

4. Change in momentum to stop? Estimated Force to stop?
A 100-gram bullet and a 1500-kg car, each strike a block of wood. The bullet has an initial speed of 300 m/sec; the car, 0.02 m/sec.
Change in momentum to stop?
Bullet kg.m/s
Car kg.m/s
Estimated Force to stop?
100 (N)
Estimated time to stop?
Bullet (s)
Car (s)

5. Change in momentum to stop?
Bullet kg.m/s
Car 30 kg.m/s
Estimated Force to stop?
100 (N)
Estimated time to stop?
Bullet (s) Car (s)
Do you think you would be able to stop the car?
Explain.

6. Estimated Force to stop?
A 100-gram bullet and a 1500-kg car, each strike a block of wood. The bullet has an initial speed of 300 m/sec; the car, 0.02 m/sec.
Change energy to stop?
Bullet (J)
Car (J)
Estimated Force to stop?
100 (N)
Estimated distance to stop?
Bullet 45 (m)
Car (m)

7. Change in energy to stop?
Bullet (J) Car (J)
Estimated Force to stop?
100 (N)
Estimated distance to stop?
Bullet 45 (m) Car (m)
Do you think you would be able to stop the car?
Explain.

8. That’s all folks.