RRB ALP 2013 Ques 102
Question: A body is thrown vertically upward and it reaches 10m high. Find the velocity with which the body was thrown? $ (g=9.8m/s) $
Options:
A) 10 m/sec.
B) 18 m/sec.
C) 14 m/sec.
D) 7 m/sec.
Show Answer
Answer:
Correct Answer: C
Solution:
- Here $ u=\sqrt{2gh}=\sqrt{2\times 9.8\times 10}=\sqrt{196}=14m/\sec . $
BETA
