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Genrish500 [490]
1 year ago
5

A graduated cylinder has 50ml of water in it before A marble is dropped in after the marble is dropped into the graduated cylind

er the volume level reads 100ml what is the volume of the marble.
Physics
1 answer:
Vikentia [17]1 year ago
5 0

Answer:

0.05L

Explanation:

if i understqnd this correctly the water line should increase with the mass of the marble

100-50=50ml

=0.05L

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Answer:

Factors determining the state of substances

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3 years ago
The tub of a washer goes into its spin-dry cycle, starting from rest and reaching an angular speed of 2.0 rev/s in 11.0 s. At th
mojhsa [17]

Answer:

Total angular displacement will be  19.998 radian  

Explanation:

It is given that the washer starts from the rest and reach reach the speed of 2 rev/sec in 11 sec

So initial angular velocity \omega _i=0rad/sec

And final angular velocity \omega _f=11rad/sec

Time t = 11 sec

So angular acceleration \alpha =\frac{\omega _f-\omega _i}{t}=\frac{2-0}{11}=0.1818rad/sec^2

So angular displacement in this 11 sec

\Theta =\omega _it+\frac{1}{2}\alpha t^2=0\times 11+\frac{1}{2}\times 0.1818\times 11^2

\Theta =\omega _it+\frac{1}{2}\alpha t^2=0\times 11+\frac{1}{2}\times 0.1818\times 11^2=10.99radian

Now the washer slows down and stops in 9 sec

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So total displacement in 20 sec = =10.999+8.999=19.998radian

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