A 200-kg dragster (racing car) exerts a constant force of 4000 N during a race. The coefficient of kinetic friction between the tires and the pavement is .15. If the drag strip is 1000 m long, determine: a. The net force on the dragster. b. The acceleration of the dragster. c. The time it takes for the dragster to finish the race. d. The dragster's velocity at the end of the race.
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A 200-kg dragster (racing car) exerts a constant force of 4000 N during a race. The coefficient of kinetic friction between the tires and the pavement is .15. If the drag strip is 1000 m long, determine:
a. The net force on the dragster.
b. The acceleration of the dragster.
c. The time it takes for the dragster to finish the race.
d. The dragster's velocity at the end of the race.
The dragster now needs to slow down, so it opens a parachute. The force of air drag is 3500 N. The driver also locks the brakes of the dragster, and the coefficient of kinetic friction becomes .75. Determine:
a. How long it will take to stop the dragster.
b. The distance the dragster travels while stopping.
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