Work Energy And Power Question 264
Question: If two persons A and B take 2 seconds and 4 seconds respectively to lift an object to the same height h, then the ratio of their powers is
Options:
A) 1:2
B) 1:1
C) 2:1
D) 1:3
Show Answer
Answer:
Correct Answer: C
Solution:
[c]
Therefore power of A,
