H2P-127
Equations of motion
H2 Physics · JC 1 · Medium · Equations of motion
A steel ball is dropped from rest and falls 1.8 m in air. Take g = 9.81 m s⁻² and neglect air resistance.
Using the kinematic equation relating distance, acceleration and final speed, calculate the speed of the ball after falling 1.8 m.
Using the kinematic equation relating distance, acceleration and final speed, calculate the speed of the ball after falling 1.8 m.
- 5.9 m s⁻¹
- 3.0 m s⁻¹
- 8.4 m s⁻¹
- 17.6 m s⁻¹
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