WAEC - Physics (2014 - No. 8)
A body is projected vertically upwards with a speed of 10 ms-1 from a point 2m above the ground. Calculate the total time taken for the body to reach the ground. [g = 10ms-2]
1.00s
2.00s
2.18s
3.00s
Vysvětlení
T = \(\frac{2u}{g} = \frac{2 \times 10}{10} = 2s\)