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2 years ago

What is weight ?on what factor does it depend.

Physics

2 answers:

cluponka [151]2 years ago

6 0

Answer:

weight is the mass of an object

it is depends on mass of the body.

algol132 years ago

4 0

Answer:

the force with which an object near the earth on another celestial body is atteracted toward the center of the body by gravity. an objects weight depends on its mass

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Why are scientific models important ?

Sindrei [870]

They help scientists explain concepts that are difficult to observe.

7 0

3 years ago

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What is the anomalous expansivity of water

salantis [7]

Answer:

The anomalous expansion of water is an abnormal property of water whereby it expands instead of contracting when the temperature goes from 4°C to 0°C, and it becomes less dense. The density becomes less and less as it freezes because molecules of water normally form open crystal structures when in solid form.

7 0

3 years ago

Un prisma de cemento pesa 2500 N y ejerce una presión de 125 Pa, ¿cuál es el valor del área en la cual se apoya?

Eduardwww [97]

Answer:

Area = 20 m²

Explanation:

Given the following data;

Force = 2500 N

Pressure = 125 Pa

To find the area on which it rest;

Mathematically, pressure is given by the formula;

$Pressure = \frac {Force}{area}$

Making area the subject of formula, we have;

$Area = \frac {Force}{pressure}$

Substituting into the formula, we have;

$Area = \frac {2500}{125}$

Area = 20 m²

3 0

3 years ago

If you were trying to describe the difference between power and work you could say...?

Paha777 [63]

Answer:

Look to the explanation

Explanation:

Work done is is the energy transferred to or from an object by means

of a force acting on the object.

Work is positive if energy transferred to the object, and work is

negative if energy transferred from the object.

Work = Force in the direction motion of object × its displacement

$W=F*s$

The SI unit of the work is joule (J)

Power is the rate of work

Power = work done ÷ time taken

Power = $\frac{F*s}{t}$

Displacement (s) ÷ time (t) = velocity (v)

Power = Force × velocity

$P=F*v$

The SI unit of the power is watt (w)

6 0

3 years ago

A block of mass m = 2.0 kg slides head on into a spring of spring constant k = 260 N/m. When the block stops, it has compressed

nasty-shy [4]

Answer:

a) Ws = 2.548 J

b) Wf = 1.153 J

c) v = 1.923 m / s

Explanation:

a) The work done by the spring force

Ws = ½ * k * x²

Ws = ½ * 260 N/m *0.14² m

Ws = 2.548J

b) The increase in thermal energy can by find using

Et = Wf

Wf = µ * m *g * x

Wf = 0.42 * 2.0 kg *9.8 m/s² * 0.14m

Wf = 1.153 J

c) The speed just as the block reaches can by fin using

EK = Ws + Et

Ek = ( 2.548 + 1.153 ) J = 3.7 J

Ek = ½ * m * v²

v² = 2* Ek / m

v = √[2 * 3.7 J / 2.0 kg]

v = 1.923 m / s

8 0

3 years ago

What is weight ?on what factor does it depend.​

What is weight ?on what factor does it depend.