If a boat can travel 50 km downstream in 2 hours, what is the speed of the curre

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What’s inside this PDF?

Question: If a boat can travel 50 km downstream in 2 hours, what is the speed of the current if the speed of the boat in still water is 15 km/h?

Options:

5 km/h
10 km/h
15 km/h
20 km/h

Correct Answer: 5 km/h

Solution:

Speed downstream = Distance/Time = 50 km / 2 hours = 25 km/h. Speed of current = Speed downstream - Speed in still water = 25 km/h - 15 km/h = 10 km/h.

If a boat can travel 50 km downstream in 2 hours, what is the speed of the curre

Practice Questions

If a boat can travel 50 km downstream in 2 hours, what is the speed of the current if the speed of the boat in still water is 15 km/h?

5 km/h
10 km/h
15 km/h
20 km/h

Questions & Step-by-Step Solutions

If a boat can travel 50 km downstream in 2 hours, what is the speed of the current if the speed of the boat in still water is 15 km/h?

Step 1: Identify the distance traveled downstream, which is 50 km.
Step 2: Identify the time taken to travel that distance, which is 2 hours.
Step 3: Calculate the speed downstream using the formula: Speed = Distance / Time.
Step 4: Substitute the values: Speed downstream = 50 km / 2 hours = 25 km/h.
Step 5: Identify the speed of the boat in still water, which is given as 15 km/h.
Step 6: Calculate the speed of the current using the formula: Speed of current = Speed downstream - Speed in still water.
Step 7: Substitute the values: Speed of current = 25 km/h - 15 km/h = 10 km/h.

Relative Speed – Understanding how the speed of a boat changes when moving downstream or upstream due to the influence of the current.
Speed Calculation – Calculating speed using the formula: Speed = Distance / Time.

If a boat can travel 50 km downstream in 2 hours, what is the speed of the curre

What’s inside this PDF?

If a boat can travel 50 km downstream in 2 hours, what is the speed of the curre

Practice Questions

Questions & Step-by-Step Solutions

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