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Tems11 [23]
2 years ago
6

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a

balance and a marble.
Which statement best describes what Kendall can do?
A.She can measure the volume and mass of the marble, the volume and mass of the water, and the volume and mass of the graduated cylinder.
B.She can measure the volume and mass of the marble, the volume and mass of the water, and the mass of the graduated cylinder.
C.She can measure the volume of the marble and water, and the mass of the graduated cylinder.
D.She can measure the mass of the marble and water, and the volume of the graduated cylinder.
Physics
2 answers:
gtnhenbr [62]2 years ago
6 0

Answer:

The answer is B

Explanation:

Elis [28]2 years ago
4 0
The answer is B.
She can measure the mass of the water, marble and the graduated cylinder with the balance.
The volume of the water can be shown on the marked graduated cylinder, the volume of the marble can be measured by the volume difference of the water before and after the marble is put in.
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Explain how a form of<br> energy is used in daily life
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Answer:

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3 0
2 years ago
A 20.0-N weight slides down a rough inclined plane which makes an angle of 30 degree with the horizontal. The weight starts from
Ulleksa [173]

Answer:

1270.64\ \text{J}

Explanation:

m = Mass of object = \dfrac{mg}{g}

mg = Weight of object = 20 N

g = Acceleration due to gravity = 9.81\ \text{m/s}^2

v = Final velocity = 15 m/s

u = Initial velocity = 0

d = Distance moved by the object = 150 m

\theta = Angle of slope = 30^{\circ}

f = Force of friction

fd = Work done against friction

The force balance of the system is

\dfrac{1}{2}m(v^2-u^2)=(mg\sin\theta-f)d\\\Rightarrow \dfrac{1}{2}mv^2=mg\sin\theta d-fd\\\Rightarrow fd=mg\sin\theta d-\dfrac{1}{2}mv^2\\\Rightarrow fd=20\times \sin 30^{\circ}\times 150-\dfrac{1}{2}\times \dfrac{20}{9.81}\times 15^2\\\Rightarrow fd=1270.64\ \text{J}

The work done against friction is 1270.64\ \text{J}.

8 0
3 years ago
What is created by the flow of electric current?
grin007 [14]
C.) a magnetic field is the correct answer…
7 0
2 years ago
Read 2 more answers
Describes earth magnetic field​
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Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from the Earth's interior out into space, where it interacts with the solar wind, a stream of charged particles emanating from the Sun.
7 0
3 years ago
An electric field of 280000 N/C points due west at a certain spot. What is the magnitude of the force that acts on a charge of -
nordsb [41]
<h2>The magnitude of the force that acts on a charge of -7.9C at this spot is 2.21 x 10⁶ N.</h2>

Explanation:

Electric field is the ratio of force and charge.

Electric field, E = 280000 N/C

Charge, q = -7.9 C

We have

                 E=\frac{F}{q}\\\\280000=\frac{F}{7.9}\\\\F=280000\times 7.9\\\\F=2.21\times 10^6N

The magnitude of the force that acts on a charge of -7.9C at this spot is 2.21 x 10⁶ N.

4 0
3 years ago
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