A ball whose density is 
falls into water from a height of 9 cm. To what depth does the ball sink?
a)
9 cm
b)
6 cm
c)
4.5 cm
d)
2.25 cm
A ball whose density is falls into water from a height of 9 cm. To what depth does the ball sink?
a)
9 cm
b)
6 cm
c)
4.5 cm
d)
2.25 cm
Question ID - 57233 | SaraNextGen Top Answer
A ball whose density is falls into water from a height of 9 cm. To what depth does the ball sink?
a)
9 cm
b)
6 cm
c)
4.5 cm
d)
2.25 cm
|
A ball whose density is |
|||||||
|
a) |
9 cm |
b) |
6 cm |
c) |
4.5 cm |
d) |
2.25 cm |
1 Answer
127 votes
Answer Key / Explanation : (b) -
|
(b) The velocity of ball before entering the water surface
When a ball enters into water, due to upthrust of water the velocity of ball decreases (or retarded) The retardation,
If
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be the depth upto which ball sink, then
127 votes
Answer Link
127