A body starts from rest with an acceleration A1. After two seconds anothor body B starts from rest with an acceleration A2. If they travel equal distances in fifth second after the starts of A,the ratio A1 : A2 will be equal to :___
Answers
Answered by
1
Distance travelled in fifth second for first body = distance travelled in 3rd second for second body,
S
5
=S
3
S
t
=u+
2
(2t−1)a
S
5
=0+
2
9
a
1
S
3
=0+
2
5
a
2
2
9
a
1
=
2
5
a
2
⇒
a
2
a
1
=
9
5
And by the way Happy New Year 2021
Answered by
1
Explanation:
Distance travelled in fifth second for first body = distance travelled in 3rd second for second body,
S
5
=S
3
S
t
=u+
2
(2t−1)a
S
5
=0+
2
9
a
1
S
3
=0+
2
5
a
2
2
9
a
1
=
2
5
a
2
⇒
a
2
a
1
=
9
5
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