If a boat takes 3 hours to go 36 km upstream, what is the speed of the boat in s

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Question: If a boat takes 3 hours to go 36 km upstream, what is the speed of the boat in still water if the speed of the current is 2 km/h?

Options:

10 km/h
12 km/h
14 km/h
16 km/h

Correct Answer: 12 km/h

Solution:

Speed upstream = Distance / Time = 36 km / 3 hours = 12 km/h. Speed of boat in still water = Speed upstream + Speed of current = 12 km/h + 2 km/h = 14 km/h.

If a boat takes 3 hours to go 36 km upstream, what is the speed of the boat in s

Practice Questions

If a boat takes 3 hours to go 36 km upstream, what is the speed of the boat in still water if the speed of the current is 2 km/h?

10 km/h
12 km/h
14 km/h
16 km/h

Questions & Step-by-Step Solutions

If a boat takes 3 hours to go 36 km upstream, what is the speed of the boat in still water if the speed of the current is 2 km/h?

Step 1: Identify the distance the boat travels upstream, which is 36 km.
Step 2: Identify the time it takes to travel that distance, which is 3 hours.
Step 3: Calculate the speed of the boat while going upstream using the formula: Speed = Distance / Time.
Step 4: Plug in the values: Speed upstream = 36 km / 3 hours = 12 km/h.
Step 5: Identify the speed of the current, which is given as 2 km/h.
Step 6: Calculate the speed of the boat in still water by adding the speed upstream to the speed of the current: Speed of boat in still water = 12 km/h + 2 km/h.
Step 7: Perform the addition: 12 km/h + 2 km/h = 14 km/h.

Relative Speed – Understanding how the speed of a boat is affected by the current when moving upstream or downstream.
Distance, Speed, and Time Relationship – Applying the formula Distance = Speed × Time to calculate speed.

If a boat takes 3 hours to go 36 km upstream, what is the speed of the boat in s

What’s inside this PDF?

If a boat takes 3 hours to go 36 km upstream, what is the speed of the boat in s

Practice Questions

Questions & Step-by-Step Solutions

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