What is the IMA of the following pulley system?
2 answers:
Answer : The IMA of the given pulley system is .
Explanation :
The full form of IMA is an ideal mechanical advantage. For the pulley system, it is defined as the ratio of the output force (resistance force) and the input force (effort force).
In this case, the input force is
and the output force is
Mathematically, the IMA for the pulley system it can be written as:
Hence, this is the required solution.
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Answer:
19.08 m/s
Explanation:
f = actual frequency emitted by the parked car's horn = 440 Hz
V = speed of sound = 342 m/s
f' = frequency of the horn observed by you = 466 Hz
v = speed of your car moving towards the parked car = ?
frequency of the horn observed by you is given as
v = 19.08 m/s