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kvasek [131]
3 years ago
7

PLEASE HELP WILL GIVE BRAINLIEST!!!!!!!!!

Physics
2 answers:
Natasha2012 [34]3 years ago
7 0

<u>Your answer is 98 N</u> (g = -9.8 m/s^2) <u>Disregard the negative sign</u> so you get 9.8 <u>remove the decimal and your answer is 98 N.</u>

<u>(I took the test 98 N is correct)</u>

jonny [76]3 years ago
5 0

98 N is the answer. It is as 10 kg

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Two cylinders with the same mass density rC = 713 kg / m3 are floating in a container of water (with mass density rW = 1025 kg /
cluponka [151]

Answer:

\dfrac{h_2}{h_1}=\dfrac{1}{2}

Explanation:

Lets take h is height of cylinder immersed in the water

We know that for floating body

h=\dfrac{\rho_cL}{\rho_l}

Where \rho_c density of cylinder

\rho_l density of water

For both cylinder fluid is same also density of cylinders are also same

So

\dfrac{h_1}{L_1}=\dfrac{h_2}{L_2}

\dfrac{h_1}{h_2}=\dfrac{L_1}{L_2}

\dfrac{h_1}{h_2}=\dfrac{20}{10}

\dfrac{h_2}{h_1}=\dfrac{1}{2}

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2 years ago
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castortr0y [4]
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8 0
3 years ago
Three masses are located in the x-y plane as follows: a mass of 6 kg is located at (0 m, 0 m), a mass of 4 kg is located at (3 m
Natali [406]
<h2>Answer:</h2>

D. (1m, 0.5m)

<h2>Explanation:</h2>

The center of mass (or center of gravity) of a system of particles is the point where the weight acts when the individual particles are replaced by a single particle of equivalent mass. For the three masses, the coordinates of the center of mass C(x, y) is given by;

x = (m₁x₁ + m₂x₂ + m₃x₃) / M       ----------------(i)

y = (m₁y₁ + m₂y₂ + m₃y₃) / M       ----------------(ii)

Where;

M = sum of the masses

m₁ and x₁ = mass and position of first mass in the x direction.

m₂ and x₂ = mass and position of second mass in the x direction.

m₃ and x₃ = mass and position of third mass in the x direction.

y₁ , y₂ and y₃ = positions of the first, second and third masses respectively in the y direction.

From the question;

m₁ = 6kg

m₂ = 4kg

m₃ = 2kg

x₁ = 0m

x₂ = 3m

x₃ = 0m

y₁ = 0m

y₂ = 0m

y₃ = 3m

M = m₁ + m₂ + m₃ = 6 + 4 + 2 = 12kg

Substitute these values into equations (i) and (ii) as follows;

x = ((6x0) + (4x3) + (2x0)) / 12

x = 12 / 12

x = 1 m  

y = (6x0) + (4x0) + (2x3)) / 12

y = 6 / 12

y = 0.5m

Therefore, the center of mass of the system is at (1m, 0.5m)

7 0
3 years ago
An object has a mass of 30 grams and measures 3cmx2cmx1cm. What is the density of the object?
dimulka [17.4K]
The density of the object is the ratio of its mass and volume. From the given dimensions above, we determine the volume through the equation,

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Substituting,

    V = (3 cm)(2 cm)(1 cm) = 6 cm³

From the idea presented above,
    d = m/V

Substituting the known values,

   d = (30 g)/ (6 cm³) = 5 g/cm³

ANSWER: 5 g/cm³
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3 years ago
Answer <br> A<br> B<br> C<br> D and <br> E
harina [27]

Answer:

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Explanation:

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3 years ago
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