A car starts from rest and accelerates to a speed of "a" mph in "c" seconds. The acceleration during this period is constant. For the next "d" minutes the car moves with the constant speed of "a" mph. At this time, the car decelerates to a speed of "b" mph in "e" seconds. Then for the next "f" minutes the car moves with a constant speed of "b" mph. At this time the driver of the car applies the brake and the car decelerates to a full stop in "g" seconds. The variation of the speed of the car with time is shown in the accompanying diagram. Determine the total distance (miles) traveled by the car and the average speed (kph) of the car over this distance. a = 50 mph b = 30 mph C = 30 seconds d = 30 minutes e = 20 seconds 25 minutes g = 10 seconds Time (s) (ydu) peəd

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A car starts from rest and accelerates to a speed of "a" mph in "c" seconds. The acceleration during this period is
constant. For the next "d" minutes the car moves with the constant speed of "a" mph. At this time, the car
decelerates to a speed of "b" mph in "e" seconds. Then for the next "f" minutes the car moves with a constant
speed of "b" mph. At this time the driver of the car applies the brake and the car decelerates to a full stop in "g"
seconds. The variation of the speed of the car with time is shown in the accompanying diagram. Determine the
total distance (miles) traveled by the car and the average speed (kph) of the car over this distance.
a =
50
mph
30
mph
30
seconds
%D
30
minutes
20
seconds
25
minutes
10
seconds
Tme (s)
(yd) peads
Transcribed Image Text:A car starts from rest and accelerates to a speed of "a" mph in "c" seconds. The acceleration during this period is constant. For the next "d" minutes the car moves with the constant speed of "a" mph. At this time, the car decelerates to a speed of "b" mph in "e" seconds. Then for the next "f" minutes the car moves with a constant speed of "b" mph. At this time the driver of the car applies the brake and the car decelerates to a full stop in "g" seconds. The variation of the speed of the car with time is shown in the accompanying diagram. Determine the total distance (miles) traveled by the car and the average speed (kph) of the car over this distance. a = 50 mph 30 mph 30 seconds %D 30 minutes 20 seconds 25 minutes 10 seconds Tme (s) (yd) peads
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