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If two cars are moving towards each other at speeds of 40 km/h and 60 km/h, how
If two cars are moving towards each other at speeds of 40 km/h and 60 km/h, how long will it take for them to meet if they are 200 km apart?
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If two cars are moving towards each other at speeds of 40 km/h and 60 km/h, how long will it take for them to meet if they are 200 km apart?
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Relative speed = 40 km/h + 60 km/h = 100 km/h. Time = Distance / Relative Speed = 200 km / 100 km/h = 2 hours.
Questions & Step-by-step Solutions
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Q
Q: If two cars are moving towards each other at speeds of 40 km/h and 60 km/h, how long will it take for them to meet if they are 200 km apart?
Solution:
Relative speed = 40 km/h + 60 km/h = 100 km/h. Time = Distance / Relative Speed = 200 km / 100 km/h = 2 hours.
Steps: 6
Show Steps
Step 1: Identify the speeds of the two cars. Car A is moving at 40 km/h and Car B is moving at 60 km/h.
Step 2: Calculate the relative speed of the two cars by adding their speeds together. 40 km/h + 60 km/h = 100 km/h.
Step 3: Identify the distance between the two cars. They are 200 km apart.
Step 4: Use the formula for time, which is Time = Distance / Speed.
Step 5: Substitute the values into the formula. Time = 200 km / 100 km/h.
Step 6: Calculate the time. 200 km / 100 km/h = 2 hours.
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