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Easy
Question
An elevator car, whose floor to ceiling distance is equal to 2.7 starts ascending with constant acceleration of 2 after the start, a bolt begins falling from the ceiling of the car. The free fall time of the bolt is
The correct answer is:
As and lift is moving upward with acceleration
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A cyclist starts from the centre of a circular park of radius 1 km, reaches the edge of the park, then cycles along the circumference and returns to the point as shown in figure. If the round trip takes 10 min, the net displacement and average speed of the cyclist (in metre and kilometer per hour) are
A cyclist starts from the centre of a circular park of radius 1 km, reaches the edge of the park, then cycles along the circumference and returns to the point as shown in figure. If the round trip takes 10 min, the net displacement and average speed of the cyclist (in metre and kilometer per hour) arePhysics-General
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Then
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The acceleration of a particle is increasing linearly with time as The particle starts from the origin with an initial velocity The distance travelled by the particle in time will be
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