Created for CVCA Physics

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Presentation transcript:

Created for CVCA Physics Gasoline - Gasohol Created for CVCA Physics by Dick Heckathorn 12-6-2K+1

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gasoline BTU's/Gal Methanol 116,860 57,100 - - - - - - - - - - - - - - - - - - - - - - 90% Gasoline 10% Methanol 105,175 5,710 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gasohol (10% methanol) 110,885

10% Methanol - Gasoline Mixture Gasohol (10% methanol) 110,885 BTU’s Gallon 1 Gallon 10% Methanol - Gasoline Mixture has 94.9% Energy of 1 Gallon of Gasoline

(Miles/Gallon) Gasoline Gasohol Methanol 25 23.7 12.2 30 28.5 14.7 20 19.0 9.8 15 14.2 7.3

(Miles/Gallon) Gasoline Gasohol Methanol 1.299 1.233 0.635 1.199 1.138 .586 1.099 1.049 .537 0.999 .948 .488

That’s all folks.

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

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.

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.

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 30 kg.m/s Car 30 kg.m/s Estimated Force to stop? 100 (N) Estimated time to stop? Bullet 0.3 (s) Car 0.3 (s)

Change in momentum to stop? Bullet 30 kg.m/s Car 30 kg.m/s Estimated Force to stop? 100 (N) Estimated time to stop? Bullet 0.03 (s) Car 0.03 (s) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Do you think you would be able to stop the car? Explain.

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 4500 (J) Car 0.3 (J) Estimated Force to stop? 100 (N) Estimated distance to stop? Bullet 45 (m) Car 0.003 (m)

Change in energy to stop? Bullet 4500 (J) Car 0.03 (J) Estimated Force to stop? 100 (N) Estimated distance to stop? Bullet 45 (m) Car 0.003 (m) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Do you think you would be able to stop the car? Explain.

That’s all folks.