Question

3.A train is travelling at a speed of 90km/h. Brakes are applied so as to produce acceleration of -0.5 m/s2. Find how far the train will go before it brought to rest.​

Answer 1

Explanation:

The train will cover 625 m before it comes to a halt. pls refer to the attachment given above.

Answer 2

Explanation:

GIVEN:

u=90 km/h=25m/s

v=0 km/h

a= -0.5m/s²

v²-u²=2as

0²-(25)²=2(-0.5)s

-(625)= -1s

s=625m

The train will cover 625m.