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
$1 . S p e e d = \frac{D i s \tan c e}{T i m e} = \frac{50}{20} = \frac{5}{2} = 2 \cdot 5 m / s 2 . S p e e d o f t r a i n A = \frac{D i s \tan c e t r a v e l l e d}{T i m e t a k e n} = \frac{120}{3} = 40 k m / h S p e e d o f t r a i n B = \frac{D i s \tan c e t r a v e l l e d}{T i m e t a k e n} = \frac{180}{4} = 45 k m / h S o t r a i n B i s m o r e f a s t e r t h a n t r a i n A . 3 . S p p e d o f t h e c y c l e = v = 2 m / s T i m e t a k e n, t = 15 m i n = 15 \times 60 = 900 s e c o n d s S o t h e d i s \tan c e t r a v e l l e d i n 15 m i n s = S = v t = 2 \times 900 = 1800 m = 1 \cdot 8 k m S o t h e d i s \tan c e b e t w e e n h e r h o u s e a n d s c h o o l i s 1 \cdot 8 k m .$
Regards

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