A particle moving in one dimension with a constant acceleration of 2m/s2 is observed to cover a distance of 5m during a particular interval of 1s. The distance covered by the particle in the next 1s interval is in metre
A
5
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B
6
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C
7
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D
10
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Solution
The correct option is C7 The distance cover 5 m in time interval 1 s means its speed is 5m/s.
Using, v=at, t=v/a=5/2s
For next interval, t1=t+1=5/2+1=7/2s
For after time t1, the speed will be v1=at1=2(7/2)=7m/s
Thus, distance covered by next 1 s interval will be 7m.