Car Drag Racing Takes Place Over a Distance of a

question 61

Multiple Choice

Car drag racing takes place over a distance of a mile (402 m) from a standing start. If a car (mass 1500 kg) could be propelled forward with a pulling force equal to that of gravity, what would be the change in kinetic energy and the terminal speed of the car (in mph) at the end of the race be? (For comparison, a modern, high-performance sports car may reach a terminal speed of just over 100 mph = 44.7 m/s.)

• A) 604 kJ and 28.4 m/s
• B) 5.92 kJ and 88.9 m/s
• C) 5.92 MJ and 7900 m/s
• D) 3680 kJ and 70.0 m/s
• E) 5.92 MJ and 88.9 m/s

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Definitions:

Pounds

A unit of weight in the imperial and US customary systems, equal to 16 ounces or approximately 0.453592 kilograms.

Follicular Phase

The first phase of the menstrual cycle during which follicles in the ovary mature, ending with ovulation.

Ovulation

The periodic ripening and rupture of a mature graafian follicle and the discharge of the ovum.

Menstruation

The monthly process in females of discharging blood and other materials from the lining of the uterus.