A body is moving with uniform acceleration and describes 75m in the 6th second and 115 m in the 11th second. Show that it moves 155 m during the 16th second.

Sudhanshu rajNewbie

# A body is moving with uniform acceleration and describes 75m in the 6th second and 115 m in the 11th second. Show that it moves 155 m during the 16th second.

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## Salman

According to the given question

75=u+(5.5)a

115=u+(10.5)a

solving the above two equations we get

u=31m/sec and a=8m/sec squared

so,now substitute these values in the equation

sn=31+(15.5)8

=155

## Shivansh Preet