1
NEET 2020 Phase 1
+4
-1
The phase difference between displacement and acceleration of a particle in a simple harmonic motion is :
A
$${{3\pi } \over 2}rad$$
B
$${\pi \over 2}rad$$
C
zero
D
$$\pi$$ rad
2
NEET 2019
+4
-1
The radius of circle, the period of revolution, initial position and sense of revolution are indicated is the figure.

y- projection of the radius vector of rotating particle P is :
A
y(t) = 4sin$$\left( {{{\pi t} \over 2}} \right)$$, where y in m
B
y(t) = 3cos$$\left( {{{3\pi t} \over 2}} \right)$$, where y in m
C
y(t) = 3cos$$\left( {{{\pi t} \over 2}} \right)$$, where y in m
D
y(t) = -3cos2$$\pi$$t, where y in m
3
NEET 2019
+4
-1
Average velocity of a particle executing SHM in one complete vibration is :
A
A$$\omega$$
B
$${{A{\omega ^2}} \over 2}$$
C
$${{A\omega } \over 2}$$
D
zero
4
NEET 2019
+4
-1
The displacement of a particle executing simple harmonic motion is given by

y = A0 + A sin$$\omega$$t + B cos$$\omega$$t.

Then the amplitude of its oscillation is given by :
A
$$\sqrt {{A^2} + {B^2}}$$
B
A + B
C
A + $$\sqrt {{A^2} + {B^2}}$$
D
$$\sqrt {A_0^2 + {{\left( {A + B} \right)}^2}}$$
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