A boy speeds his car from 20 km/hour to 35 km/h in 5s. Find the accerelation and distance travelled.
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u=20km/h=20*5/18
=100/18=5.5m/s
v=35km/h=35*5/18
=175/18=9.72m/s
t=5s
a=v-u
-----
t
a=9.72-5.5
/5
a=4.2/5
a=0.84m/s²
s=ut+½at²
I hope it is moving with uniform acceleration
s=5.5(5)+½(0.84)(5)²
=27.5+(0.42)(25)
27.5+10.5
=38m
hope it helps
please mark this answer as brainliest!
=100/18=5.5m/s
v=35km/h=35*5/18
=175/18=9.72m/s
t=5s
a=v-u
-----
t
a=9.72-5.5
/5
a=4.2/5
a=0.84m/s²
s=ut+½at²
I hope it is moving with uniform acceleration
s=5.5(5)+½(0.84)(5)²
=27.5+(0.42)(25)
27.5+10.5
=38m
hope it helps
please mark this answer as brainliest!
Answered by
0
Answer:
38 m
Explanation:
13 December 1946: An 'Objective Resolution' was presented by Jawaharlal Nehru, laying down the underlying principles of the constitution. which later became the Preamble of the constitution.
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