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SashulF [63]
3 years ago
14

Add a small ball to a graduated cylinder containing 10 milliliters of water.

Physics
1 answer:
malfutka [58]3 years ago
8 0
The volume of water will increase . If yu subtract the original volume from the new volume of water you will get the volume of the small ball.
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A student at the top of a building of height h throws one ball upward with a speed of vi and then throws a second ball downward
Agata [3.3K]

Answer:

The velocity of the one thrown up will be the same as the second one

Explanation:

They will fall and hit the ground at the same time although they have the same velocity because object one although has double height it has initial velocity of zero

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Under the Big Top elephant, Ella (2500 kg), is attracted to Phant, the 3,000 kg
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Under the Big Top elephant, Ella (2500 kg), is attracted to Phant, the 3,000 kg elephant. They are separated by 8

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Which cars have the same magnitude of momentum? Check all that apply. car 1 car 2 car 3 car 4 car 5
wariber [46]

Answer:

Car 1 and Car 2 have the same momentum!

Explanation:

Using the formula of momentum (P=m*v), we get for each car:

Car 1: 5kg*2.2m/s = 11kg*m/s

Car 2: 5.5kg*2m/s = 11kg*m/s

Car 3: 6kg*1.35m/s = 8.1kg*m/s

Car 4: 6.5kg*1.9m/s = 12.35kg*m/s

Car 5: 7kg*1.25m/s = 8.75kg*m/s

7 0
3 years ago
Which wave interaction results in a change in the direction of the wave as it passes through one medium to another medium?
Svetllana [295]

Explanation :

The phenomena in which the ray of light bend towards or away from the normal is called the refraction of light. Light always travels in straight line. If the speed of light in both medium differs then refraction occurs.  

According to Snell's law :

\dfrac{sin\ \theta_1}{sin\ \theta_2}=\dfrac{v_1}{v_2}=\dfrac{n_2}{n_1}

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v_1 and  v_2 is the speed of light in medium 1 and medium 2.

Hence, the given figure shows the refraction of light.

7 0
3 years ago
Read 2 more answers
How much heat is required to convert 0.3 kg of ice at 0°C to water at the same temperature
madreJ [45]

Answer:  

100,800 Jkg


The heat that is used to change the state of a mater is called latent heat.

In this case it is converting ice to water and it is called latent heat of fusion.

It is given by:

Heat  = mc

where m is the mass of ice and l is the specific latent heat of fusion of ice.

l = 0.336 MJ

Heat = 0.3 × 0.336 MJ

        = 0.3 × 0.336 × 10⁶

        = 100,800 Jkg


6 0
4 years ago
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