Question

A body travelling with a velocity of 100 m/s accelerates uniformly at the rate of 10m/s2 for avperiod of 2sec. Calculate the distance travelled in 30 sec

Answer 1

Answer:

6900m

Explanation:

Given,

• v=100m/s
• a=10m/s^2
• t= 2s

From v=u+at

we can find 'u'

• 100=u+10×2
• u=80 m/s

for the other case

given

t=30s

a=10m/s^2

u=80m/s

from equation of motion

s=ut+1/2at^2

s=80+×30+1/2×10×30^2

s=2400+4500

s=6900m

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Answer 2

Explanation:

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