Question
The variation of kinetic energy (KE) of a particle executing simple harmonic motion with the displacement (x) starting from mean position to extreme position (A) is given by
BITSAT
Physics
Oscillations
2023
BITSAT 2023 (Memory Based Paper 2)
BITSAT Physics Question (2023) — Solution
Options
- A.
- B.
- C.
- D.
Answer
D.
Step-by-step solution
aligned & T E=K E+P . E \\ & K E=T E-K E \\ & = 1 2 k^2- 1 2 k^2 \\ & K E= 1 2 m ^2 (A^2-x^2 ) [ k=m ^2 ] aligned KE is maximum at x =0 \& KE is zero when x = A K . E vs x graph is parabola.
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