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solniwko [45]
3 years ago
15

Definition of the following word Work ,measurement​

Physics
2 answers:
garri49 [273]3 years ago
7 0

Answer:

measurements

Explanation:

Measurement is the assignment of a number to a characteristic of an object or event, which can be compared with other objects or events. The scope and application of measurement are dependent on the context and discipline.

denis23 [38]3 years ago
7 0

<em>Work</em><em> </em><em>is</em><em> </em><em>said</em><em> </em><em>to</em><em> </em><em>be</em><em> </em><em>done</em><em> </em><em>by</em><em> </em><em>a</em><em> </em><em>force</em><em> </em><em>when</em><em> </em><em>the</em><em> </em><em>force</em><em> </em><em>applied </em><em>o</em><em>n</em><em> </em><em>a</em><em> </em><em>body</em><em> </em><em>moves</em><em> </em><em>it</em><em> </em><em>in</em><em> </em><em>the</em><em> </em><em>direction </em><em>of</em><em> </em><em>force</em><em>.</em>

<em>M</em><em>easurement </em><em>is</em><em> </em><em>the</em><em> </em><em>comparison </em><em>of</em><em> </em><em>an</em><em> </em><em>unknown </em><em>quantit</em><em>y</em><em> </em><em>with a</em><em> </em><em>standard</em><em> </em><em>known </em><em>quantity</em><em>.</em>

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A body weighs 10newton in air and 9.5 in water. How will it weigh in alchohol if density 0.8gcm-³​
Katen [24]

Answer:

The weight of object in alcohol is, W₀ = 9.6 N

Explanation:

Given,

The weight of body in air, Wₐ = 10 N

The weight of the body in water, Wₓ = 9.5 N

The density of the alcohol, ρ = 0.8 g/cm³

                                                = 800 kg/m³

The weight of body in water = weight of object in air - weight of water displaced

                        9.5 N = 10 N - weight of water displaced

                       Weight of water displaced = 0.5 N

The mass of the displaced water, m = 0.5 / 9.8

                                                            = 0.051 kg

Therefore the volume of the water displaced,

                                              V = m / ρ

                                                  = 0.051 / 1000

                                                   = 5.1 x 10⁻⁵ m³

<em>The volume of water displaced is equal to the volume of alcohol displaced</em>

Therefore, the mass of the alcohol displaced, = V x ρ

                                                                             = 5.1 x 10⁻⁵ x 800

                                                                             = 0.0405 kg

The weight of the alcohol displaced, w = 0.0405 x 9.8

                                                                    = 0.4 N

Therefore,

The weight of body in alcohol = weight of object in air - weight of alcohol displaced

                             W₀ = W - w

                                    = 10 N - 0.4 N

                                     = 9.6 N

Hence, the weight of object in alcohol is, W₀ = 9.6 N

4 0
2 years ago
Distance = 6 km south<br><br> 60 minutes<br><br> What was the average velocity
blsea [12.9K]

v = x/t

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Given values:

x = 6km south, t = 60min

Plug in and solve for v:

v = 6/60

v = 0.1km/min south

3 0
3 years ago
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Answer:

Carbohydrates are divided into four types: monosaccharides, disaccharides, oligosaccharides, and polysaccharides. Monosaccharides consist of a simple sugar; that is, they have the chemical formula C 6 H 12 O 6. Disaccharides are two simple sugars. Oligosaccharides are three to six monosaccharide units, and polysaccharides are more than six.

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Answer:

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................

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The velocity would be 10
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