Question
Question: Figure shows the displacement time graph of a body. What is the ratio of the speed in the first seco...
Figure shows the displacement time graph of a body. What is the ratio of the speed in the first second and that in the next two seconds

A
1 : 2
B
1 : 3
C
3 : 1
D
2 : 1
Answer
2 : 1
Explanation
Solution
Speed in first second = 30 and
Speed in next two seconds = 15. So that ratio 2 : 1