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Daniel [21]
3 years ago
13

Determine the density of a liquid from the following data .

Physics
2 answers:
Trava [24]3 years ago
6 0
Density = mass of liquid / Volume of liquid

Density = 33.79 / 13.3

Density = 2.54

revise the process for the second one also.
jolli1 [7]3 years ago
4 0
Mass = 40.14 - 33.79= 6.35 gram 
vol = 13.3 ml
density = m/v  = 6.35/13.3 = 0.477 g/ml

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Answer:

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3 0
3 years ago
A rock is dropped from the top of a tower. When it is 40 meters above the ground velocity of 17 m/s. When its velocity is 24 m/s
eimsori [14]

Answer:

Option B is the correct answer.

Explanation:

Let us consider 40 meter above ground as origin.

Initial velocity = 17 m/s

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We have equation of motion v² = u² + 2as

Substituting

         24² = 17² + 2 x 9.81 x s

           s = 14.63 m

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Height of rock from ground = 40 - 14.63 = 25.37 m = 25.4 m

Option B is the correct answer.

4 0
3 years ago
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