Math, asked by bsbssowo282, 1 month ago

Q6.Train starting from rest attain a velocity of 108km/h in 3 minute. Assuming that acceleration to be

uniform find a) acceleration b)distance travelled by train for attaining this velocity.​
if any of u give ans I will mark his her as a brainliest​

Answers

Answered by MrM00N
6

Explanation: In this question,

u = initial velocity = 0 (at rest)

v = 108 km/hr = (108*5/18) m/s = 30m/s

t = 3 min = 3*60 = 180 sec

For uniform acceleration, we can use the equations of motion directly,

=> v = u + at

=> 30 = 0 + a(180)

=> 30/180 = a

=> 1/6 m/s² = a

In km/hr², acceleration is 2160 km/hr².

Moreover, for distance:

=> S = ut + ½ at²

=> S = 0 + ½ (1/6)(180)²

=> S = 270 m or 2.7 km

Answered by Mysteryboy01
0

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