A boat can travel at 10 km/h in still water. If the current of the river is 2 km

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Question: A boat can travel at 10 km/h in still water. If the current of the river is 2 km/h, what is the speed of the boat downstream?

Options:

Correct Answer: 12 km/h

Solution:

Speed downstream = speed of boat + speed of current = 10 + 2 = 12 km/h.

A boat can travel at 10 km/h in still water. If the current of the river is 2 km/h, what is the speed of the boat downstream?

A boat can travel at 10 km/h in still water. If the current of the river is 2 km/h, what is the speed of the boat downstream?

Step 1: Understand that the boat's speed in still water is 10 km/h.
Step 2: Know that the current of the river adds to the boat's speed when going downstream.
Step 3: Identify the speed of the current, which is 2 km/h.
Step 4: To find the speed of the boat downstream, add the speed of the boat (10 km/h) to the speed of the current (2 km/h).
Step 5: Calculate the total speed: 10 km/h + 2 km/h = 12 km/h.
Step 6: Conclude that the speed of the boat downstream is 12 km/h.

Relative Speed – Understanding how to calculate the effective speed of a boat when considering the influence of a current.