Question

wo motorcycle racers ride 25 laps of 1.2 km circuit Racer A rides at 120 km / h and racer B rides at

100 km/h who will touch the finishing line first ? After how long will the other racer reach the finishing

line?​

Answer 1

Answer:

A will finish after 15min and B will finish after 18min

Step-by-step explanation:

25laps of 1.2km = 25x1.2 =30km

A rides at 120km/h ,so

time=distance/speed

or, time =30/120

or, time =0.25

time is 0.25 hours

0.25 hours in minutes is 15min(0.25x60)

B rides at 100km/h ,so

time=distance/speed

or, time=30/100

or, time=0.3

time is 0.3 hours

0.3 hours in minutes is 18min(0.3x60)

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