A stone falls from a ballon that id descending at a uniform rate of 12m/s. The displacement of the stone from the point of release after 10 sec is

Question

A stone falls from a ballon that id descending at a uniform rate of 12m/s. The displacement of the stone from the point of release after 10 sec is

A stone falls from a ballon that id descending at a uniform rate of 12m/s. The displacement of the stone from the point of release after 10 sec is
A. 490m
B. 510m
C. 610m
D. 725m

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
Initial velocity of stone u=12m/sec downwards
`therefore` displacement `h=ut+(1)/(2)"gt"^(2)`
`=12xx10+(1)/(2)xx9.8xx(10)^(2)`
`=120+400=610 m`

4 views Answered 2023-02-05 15:29