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Sound takes 2 seconds to travel 3 kilometres in water. What is the speed of sound in water?
- a)1.5 m/s
- b)6 m/s
- c)1500 m/s
- d)6000 m/s
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Sound takes 2 seconds to travel 3 kilometres in water. What is the spe...
Here, distance = 3 km = 3000 m
Time = 2 sec
Therefore, speed= distance / time
= 3000 /2
= 1500 m /s
Time = 2 sec
Therefore, speed= distance / time
= 3000 /2
= 1500 m /s
Most Upvoted Answer
Sound takes 2 seconds to travel 3 kilometres in water. What is the spe...
Speed of sound in water can be calculated using the formula:
Speed = Distance / Time
In this case, the distance is given as 3 kilometers and the time is given as 2 seconds. We need to convert the distance from kilometers to meters before calculating the speed.
1 kilometer = 1000 meters
So, 3 kilometers = 3 × 1000 = 3000 meters
Now, we can substitute these values into the formula and calculate the speed:
Speed = 3000 meters / 2 seconds
Simplifying this expression, we find:
Speed = 1500 meters/second
Therefore, the speed of sound in water is 1500 meters per second.
Explanation:
- First, we convert the given distance from kilometers to meters.
- Then, we substitute the values into the formula for speed and calculate the result.
- The speed of sound is defined as the distance sound travels per unit of time. In this case, the distance the sound travels in water is 3000 meters, and the time it takes is 2 seconds.
- By dividing the distance by the time, we obtain the speed of sound in water as 1500 meters per second.
Speed = Distance / Time
In this case, the distance is given as 3 kilometers and the time is given as 2 seconds. We need to convert the distance from kilometers to meters before calculating the speed.
1 kilometer = 1000 meters
So, 3 kilometers = 3 × 1000 = 3000 meters
Now, we can substitute these values into the formula and calculate the speed:
Speed = 3000 meters / 2 seconds
Simplifying this expression, we find:
Speed = 1500 meters/second
Therefore, the speed of sound in water is 1500 meters per second.
Explanation:
- First, we convert the given distance from kilometers to meters.
- Then, we substitute the values into the formula for speed and calculate the result.
- The speed of sound is defined as the distance sound travels per unit of time. In this case, the distance the sound travels in water is 3000 meters, and the time it takes is 2 seconds.
- By dividing the distance by the time, we obtain the speed of sound in water as 1500 meters per second.
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Community Answer
Sound takes 2 seconds to travel 3 kilometres in water. What is the spe...
Here ,
distance = 3km = 3000m ( SI unit)
time = 2 sec
therefore, speed = distance/time
= 3000/2
=1500m/s
Hence, c) is the correct answer.
distance = 3km = 3000m ( SI unit)
time = 2 sec
therefore, speed = distance/time
= 3000/2
=1500m/s
Hence, c) is the correct answer.
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