Thursday

January 29, 2015

January 29, 2015

Posted by **Gullu** on Thursday, August 18, 2011 at 8:12pm.

sports car, has a motor that delivers only 35 kW of power at this speed. The other car

needs its motor to produce 65 kW to move the car this fast. The difference is caused by air

resistance.

a. For each car, list the external horizontal forces exerted on it, and give the cause of each

force. Compare their magnitudes.

b. By Newton’s third law, the car exerts forces on the ground and the air. What are their directions?

c. Calculate the magnitude of the forward frictional force exerted by each car.

d. The car engines did work. Where did the energy come from?

**Answer this Question**

**Related Questions**

Physics - Two cars travel at the same speed, so that they move 105 km in one ...

physics - The figure below shows a train with 3 compartments only. Each of the ...

Algebra - Two cars start at the same point at Alexandria, verginia, and travel 2...

Algebra - Two cars start at the same point at Alexandria, verginia, and travel ...

physics - Please decide which of the following statements for car collisions are...

Physics - Two cars start from the same place at the same time. After two hours, ...

Algebra - Yes. The car will travel 40 miles in an hour. A certain Car Travels 14...

Phsyics - Two cars start from the same place at the same time. After two hours, ...

math - Currently, the Toyota Corolla is the best selling car in the world. ...

math - Currently, the Toyota Corolla is the best selling car in the world. ...