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3 years ago

If the mass of a material is 104 grams and the volume of the material is 16 cm3, what would the density of the material be?

Physics

1 answer:

almond37 [142]3 years ago

5 0

<h3>Answer</h3>

Density of the material is 6.5 g/cm³

<h3>Explanation</h3>

Given in the question,

Mass of the material = 104g

Volume of the material = 16 cm³

Density is a quantitative expression of the amount of mass contained per unit volume and it's SI unit is kg/m³

Formula to calculate density

<h3> density = mass / volume</h3>

density = 104 / 16

= 6.5 g/cm³

1 g/cm³ = 1000kg/m³

6.5 g/cm³ = 6500kg/m³ in SI units

Hence, density of the material is6.5 g/cm³

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What is the reaction force of the table with a weight of 558N

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3 years ago

Consider the following mass distribution where the x- and y-coordinates are given in meters: 5.0 kg at (0.0, 0.0) m, 2.9 kg at (

Sauron [17]

Answer:

x = -1.20 m

y = -1.12 m

Explanation:

as we know that four masses and their position is given as

5.0 kg (0, 0)

2.9 kg (0, 3.2)

4 kg (2.5, 0)

8.3 kg (x, y)

As we know that the formula of center of gravity is given as

$x_{cm} = \frac{m_1 x_1 + m_2x_2 + m_3x_3 + m_4x_4}{m_1 + m_2 + m_3 + m_4}$

$0 = \frac{5(0) + 2.9(0) + 4(2.5) + 8.3 x}{5 + 2.9 + 4 + 8.3}$

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$x = -1.20 m$

Similarly for y direction we have

$y_{cm} = \frac{m_1 y_1 + m_2y_2 + m_3y_3 + m_4y_4}{m_1 + m_2 + m_3 + m_4}$

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3 years ago

What is the mass of an object that has a weight of 110N ?

fgiga [73]

Weight (W) = 110 N
Acceleration due to gravity (g) = 9.8 m/s^2
Let the mass of the object be m.
By using the formula, W = mg, we get,
110 N = 9.8 m/s^2 × m
or, m = 110 N ÷ 9.8 m/s^2
or, m = 11.2 Kg

Answer:

The mass of the object is 11.2 Kg.

Hope you could get an idea from here.

Doubt clarification - use comment section.

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2 years ago