A body is projected horizontally from a height with speed $20$ metres/sec. ........ $metres/sec$ will be its speed after $5$ seconds ($g = 10\,\,metres/{\sec ^2})$
A body is projected horizontally from a height with speed $20$ metres/sec. ........ $metres/sec$ will be its speed after $5$ seconds ($g = 10\,\,metres/{\sec ^2})$
- A
$54$
- B
$20$
- C
$50$
- D
$70$
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