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Question

Q1. A man riding a scooter travels a distance 50 m in 20 seconds . what is the speed of the scooter .
Q2. The train A traveled a distance of 120 km in 3 hours whereas another train B traveled a distance of 180 km in 4 hours . which train traveled faster .
Q3. salma takes 15 minutes from her house to reach her school on a cycle . If the cycle has a speed of 2min / sec , calculate the distance between her house and the school .
(Write the formulas and solve the equations )

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Solution

Dear Student ,
Here in this case , we know that the Speed = Distance travelled / Time taken
1. Speed=DistanceTime=5020=52=2·5 m/s2. Speed of train A=Distance travelledTime taken=1203=40 km/hSpeed of train B=Distance travelledTime taken=1804=45 km/hSo train B is more faster than trainA .3. Spped of the cycle = v=2m/sTime taken,t = 15 min=15×60 =900 secondsSo the distance travelled in 15 mins = S=vt=2×900=1800 m=1·8 kmSo the distance between her house and school is 1·8 km .
Regards

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