Work Energy And Power Question 282
Question: A block of mass is moving with a constant acceleration on a rough horizontal plane. The coefficient of friction between the block and plane is . The initial velocity of block is zero at . The power delivered by the external agent at a time t = 2 sec from the beginning is equal to
Options:
A) 1 watt
B) 2 watt
C) 3 watt
D) 4 watt
Show Answer
Answer:
Correct Answer: D
Solution:
[d]