Distance covered by a freely falling body in 2 seconds will be:
Correct answer: C. 39.2m
- A. 4.9m
- B. 19.6m
- C. 39.2m
- D. 44.1m
Explanation
Given:- Time taken (t) = 2 s- Acceleration due to gravity (g) = 9.8 m/s²Using the Equation of Motion:The equation for the distance covered by an object in free fall is:Distance = (1/2)(acceleration)(time)2Calculating the Distance Covered:Distance = (1/2) (9.8) (2)2Distance = (1/2) (9.8)(4)Distance = (19.6) (2)Distance = 39.2 mThe calculated distance covered by the freely falling body in 2 seconds is 39.2 m.
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Displacement, velocity and acceleration describe motion, including the horizontal and vertical components of projectile motion. The chapter connects these quantities with Newton's laws, momentum and impulse, then applies conservation of momentum to collisions, distinguishing elastic collisions from inelastic ones.
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