JAMB - Physics (1978 - No. 3)
An air force jet flying with a speed of 335ms-1 went past an anti-aircraft gun. How far is the aircraft 5s later when the gun was fired?
838m
3350m
670m
1675m
67m
説明
Distance covered = speed x time
= 335 x 5
= 1675m
= 335 x 5
= 1675m