Physics-Uniform Circular Motion
NEET Physics Uniform Circular Motion MCQ Question
Type: MCQ-numerical-Medium-Class 11
If an object is in uniform circular motion with a frequency of 5 Hz and the radius of the circle is 2 m, what is the magnitude of its centripetal acceleration?
A
200π² m/s²
B
100π² m/s²
C
50π² m/s²
D
25π² m/s²
Correct Answer
Option A
Detailed Explanation
Using the formula for centripetal acceleration a_c = 4π²ν²R and substituting ν = 5 Hz and R = 2 m, we get a_c = 4π²(5)²(2) = 200π² m/s².
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