Motion in a straight line and in a plane, projectile motion, relative velocity.
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Q1 · Kinematics (Class 11) · EASY
A particle moving in a straight line covers half the distance with speed v₁ and the other half with speed v₂. The average speed is:
Q2 · Kinematics (Class 11) · MEDIUM
A body is projected vertically upward with velocity u. The distance covered in the last second of its upward journey is: (g = 10 m/s²)
Q3 · Kinematics (Class 11) · HARD
The velocity-time graph of a particle moving along a straight line is a semicircle. The acceleration at the midpoint of motion is proportional to: