- 07/04/2019 at 8:42 am #1325759EduGorillaKeymasterSelect Question Language :
There are 3 contestants A, B and C in a 100 km car race. The following graph gives the time which each of them took to cover different phases of the race.
Select from among the following the relevant formula, where ever necessary.
• x-xi = (v+vi)t /2
• v-vi= at
• x-xi = vi t + at2 /2
• v2 – vi2= 2a(x- xi)
Were xi is the initial distance x is the new distance. vi is the initial velocity and v is the new velocity and t is the time.
If during the first 30 km, B had traveled at a uniform speed of 40 kmph, then the winner would be
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