Q
A car falls and reaches the ground in 0.4 s. What is its impact speed, assuming zero initial vertical speed and g = 10 m/s²?
RRB Group-D
22/11/2018 / Shift III
2018
✓ Answer:
D
4 m s⁻¹
v = gt = 10 × 0.4 = 4 m/s.