Question
Download Solution PDF60 RPM की गति से घूमने वाले 300 mm व्यास वाले एक कार के पहिए की परिधीय गति है:
a) 30 π m/s
b) 0.3π m/s
c) 0.6 π m/s
d) 60 π m/s
This question was previously asked in
ISRO URRSC Fitter 3 Nov 2022 Official Paper
Answer (Detailed Solution Below)
Option 2 : b
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Download Solution PDFसही उत्तर 0.3π m/s है।Key Points
प्रश्न में दिया गया है:
- कार के पहिए का व्यास = 300mm
- घूर्णन गति = 60 RPM
प्रश्नों की इकाई बदलने पर
- त्रिज्या=व्यास/2
- mm से m = mm/1000
अब:
- त्रिज्या= 300/2 = 150mm
- 150mm/1000 = 0.15m
प्रश्न के अनुसार,
- 60 राउंड प्रति मिनट = 1 राउंड प्रति सेकंड
- परिधीय गति = दूरी/समय (दूर = 2πr,)
- 2πr/समय = 2xπxr/1 = 2xπx0.15/1 = 0.3π m/s
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