waec model questions vol1 2017 physics
Essay • Question 2
Question 2
WAEC_MODEL_QUESTIONS_VOL1
•
2017
A boat travels downstream and upstream on a river. The speed of the boat in still water is 15 km/h, and the speed of the river current is 5 km/h.
(a) Calculate the effective speed of the boat when traveling downstream and upstream.
(b) If the boat takes 2 hours to travel downstream, calculate the distance traveled downstream.
(c) Discuss how the speed of the river current affects the total travel time of the boat.
Question Parts
(
a
)
Calculate the effective speed of the boat when traveling downstream and upstream.
(
b
)
If the boat takes 2 hours to travel downstream, calculate the distance traveled downstream.
(
c
)
Discuss how the speed of the river current affects the total travel time of the boat.
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