NTSE Stage 2 SAT 2019 Exam Question Paper

Directions (Questions 61-62)
Suppose that the acceleration versus time graph of a particle that starts from rest at t = 0 is as shown in the figure.

Question : 62 of 100

Marks: +1, -0

What is the total distance travelled by the particle during 30 s?

Solution:

Drawing the v-t graph of the given situation

Distance travelled = Area of v.f graph
|area of ABC| + |area CDE|

=1/2×15×50+1/2×15×50

=750m

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