Selina solutions

Selina solutions

Grade 6

Idea of Speed, Distance and Time | Exercise 17(B)

Question 1

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Question 1

Q1) A train 180m long is running at a speed of 90km/h. How long will it take to pass a railway signal?

Solution 1:

Distance = 150m

Time taken = 10 sec

Speed = \frac{150}{10}=15m/s

=\frac{15\times60\times60}{500}=\frac{36}{5}=7.2\ \sec ongs

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