Question

. A 150 mlong train crosses a bridge that is 450 m long in 50 sec with a constant velocity. What is the velocity of the train?​

Answer 1

Answer:

450÷50=9

9×150=1350m/s

Answer 2

SOLUTION

GIVEN

A 150 m long train crosses a bridge that is 450 m long in 50 sec with a constant velocity.

TO DETERMINE

The velocity of the train

EVALUATION

Here it is given that the 150 m long train crosses a bridge that is 450 m long in 50 sec with a constant velocity

Length of the train = 150 m

Length of the bridge = 450 m

Since the train crosses the bridge

So the total distance travelled

= Length of the train + Length of the bridge

= 150 m + 450 m

= 600 m

Thus the train travels 600 m in 50 sec

Hence the velocity of the train

$\displaystyle\sf{ = \frac{600}{50} \: \: m /s}$

$\displaystyle\sf{ = 12 \: \: m /s}$

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