Question

A train is travelling at a speed of 75 km/hr . How far will it travel in 55 minutes ?

Answer 1

Step-by-step explanation:

speed= 75 km/hr

= 75 ×1000/ 3600 m/sec

=46.87 m/sec

time = 55 min

distance = speed × time

= 46.87 × 55 m

=2557.85 m

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Answer 2

3.33hours

The whole sum is in the S.I Unit:

Speed=75km/hr

$= \frac{75 \times 1000}{60 \times 60} m/s$

$= \frac{125}{6} m/s$

1) Time=20mins=20×60secs=1200secs

Distance=Speed×Time

$D= \frac{125}{6} \times 1200metres$

D=2500m=25km

2) Distance=250km=(250×1000)

$metre,speed = \frac{125}{6}$

$Time = \frac{Distance}{Speed}$

Hence,

Time=12000secs=3.33hours