Question

14. A 300 m long train is moving with a uniform velocity
of 90 km/h. The time taken by the train to cross
another train of length 700 m moving with same
speed in opposite direction is
[NCERT Pg. 51]
(1) 56 s
(2) 68 s
(3) 20 s
(4) 92 s
15
When a car is stopped by appbing brole​

Answer 1

Explanation:

Distance to cover =(300+1700)m

t=

18

90×5

2000

=80sec.