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JEE Main 2021 (Online) 27th July Evening Shift
Numerical
+4
-1
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A particle executes simple harmonic motion represented by displacement function as

x(t) = A sin($$\omega$$t + $$\phi$$)

If the position and velocity of the particle at t = 0 s are 2 cm and 2$$\omega$$ cm s$$-$$1 respectively, then its amplitude is $$x\sqrt 2 $$ cm where the value of x is _________________.
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2
JEE Main 2021 (Online) 25th July Morning Shift
Numerical
+4
-1
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In the reported figure, two bodies A and B of masses 200 g and 800 g are attached with the system of springs. Springs are kept in a stretched position with some extension when the system is released. The horizontal surface is assumed to be frictionless. The angular frequency will be ____________ rad/s when k = 20 N/m.

JEE Main 2021 (Online) 25th July Morning Shift Physics - Simple Harmonic Motion Question 64 English
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3
JEE Main 2021 (Online) 25th July Morning Shift
Numerical
+4
-1
Change Language
A pendulum bob has a speed of 3 m/s at its lowest position. The pendulum is 50 cm long. The speed of bob, when the length makes an angle of 60$$^\circ$$ to the vertical will be (g = 10 m/s2) ____________ m/s.
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4
JEE Main 2021 (Online) 18th March Morning Shift
Numerical
+4
-1
Change Language
A particle performs simple harmonic motion with a period of 2 second. The time taken by the particle to cover a displacement equal to half of its amplitude from the mean position is $${1 \over a}$$s. The value of 'a' to the nearest integer is _________.
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