Question

if distance travelled by a train in 490 km in 4 hours 5 mintes what its speed ?

Answer 1

Answer:

5880km / hr

Step-by-step explanation:

speed = distance /time

we are given, distance =490km

time=5min

therefore, time in hours =5×1/60

hence speed=490×60/5=5880

Answer 2

Answer:

Step-by-step explanation

$speed=\frac{d}{t}$

$Distance = 490 km \\Time = 4\ Hours \ 5 \ minutes$

$S.I \ unit \ of \ speed = m/s^{2}$

Converting:

Distance :490 x 100 = 490000 m

Time       = 14,700 seconds

Applying the formula

$\frac{490000}{14700} = 33.33m/s^{2}$

Hope it helps,

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