Question

46. A train 280 m long is running at a uniform speed of
63 km/hr. Find the time taken by it to cross
telephonic pole-
(A) 20 sec
(B) 15 sec
(C) 18 sec
10 (D) 16 sec
ir munning at a uniform speed of​

Answer 1

Answer:

A

Step-by-step explanation:

Answer 2

$\large\bf{\underline\red{Good \: Afternoon♡}}$

63 km /hr = 35/2 m/sec

time = distance/ speed

t = 280/35/2

280 × 2/35 = 16sec