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Question: Answered & Verified by Expert
A simple harmonic motion is represented by:
y=5sin3πt+3cos3πt cm
The amplitude and time period of the motion are:
PhysicsOscillationsJEE MainJEE Main 2019 (12 Jan Shift 2)
Options:
  • A 5cm,23 s
  • B 10cm,23 s
  • C 5cm,32 s
  • D 10cm,32 s
Solution:
1209 Upvotes Verified Answer
The correct answer is: 10cm,23 s
y=5sin3πt+53cos3πt



A2=52+532=102

A=10 cm

ω=3π

T=2πω=23 s

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