A car is traveling in a straight line. If distance 's' km travelled in time 't' hours are related by the relation s= at + b. Find the relation if 200 km are covered in 2 hours and 100 km are covered in 1 hour 30 mins
A. s = 400( t - 1)
B. s = 400( t + 1)
C. s = 200( t + 1)
D. s = 200( t - 1)
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Total distance d=2s
Total time taken t=2+3= 5 hrs
Average speed V
avg
=
t
d
=
5
s
km/h
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