starting from rest a body rolls down along an incline that rises by 2 in every 3 along the plane.the body attains a speed of 2√3 m/s as its travels a distance. of 3/2 m along the incline .what could be the possible shapes of the body?
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Answer:
9. செய்யுளில் ஒரு பெயர்ச்சொல் எச்சச் சொல்லாகத் திரிந்து அளபெடுப்பது-
10. செய்யுளில் ஓசை குறையும் போது
-அளபெடுப்பது ஒற்றளபெடை
ஆகும்
11. சொல் என்பது----
12. திணையின்.
Answered by
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Explanation:
Shape of possible object i.e., find out ratio of
R
2
K
2
which will determine the possible rolling object.
We have,
sinθ=
5
3
And Linear distance travelled along the plane is s=
sinθ
h
Hence,
h=ssinθ=
3
5
×
5
3
=1
The velocity of rolling body is given by,
v=
1+
R
2
K
2
2gh
Comparing we get,
10
=
1+
R
2
K
2
2gh
10=
1+
R
2
K
2
2×10×1
(1+
R
2
K
2
)=2
R
2
K
2
=1
Hence object must be Ring or hollow cylinder.
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