Pls check the attachment and answer the questions in details(step by step).
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Explanation:
a) Speed of the car between 13:00 hrs & 14:00 hrs
v1 = s2-s1 ÷ t2-t2 = 30-0 ÷ 14-13 = 30÷1 = 30
Speed of the car between 15:30 hrs & 17:00 hrs
v2 = s2-s1 ÷ t2-t1 = 60-30 ÷ 17-15.5 = 30 ÷ 2.5 = 12
Ratio of the speed of the car = 30:12
Time taken stopping the car on the way is
t2-t1 = 15:30 -14 = 1:30 hours
Distance from home where the car stopped is
s2-s1 = 30-0 = 30 Km
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