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mario62 [17]
2 years ago
12

True or False: If you cut a bar magnet in half, you will get a magnet that is only a north pole and a magnet that is only a sout

h pole.
Physics
1 answer:
nydimaria [60]2 years ago
8 0

Answer: False

Explanation:

That is false. This is implying the existence of magnetic monopoles, which we do not know exist. As far as we know, magnetic monopoles don't exist and its impossible to create one. Due to Maxwell's equations, it implies that a magnetic monopole <em>should</em> exist, but we have not yet found one.

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What’s 5.1 cm in Newton’s?
faust18 [17]
0.051 newton meter.
5 0
3 years ago
Once out in space, the space shuttle needs to _____ to keep going in the same direction at the same speed.
erik [133]

Answer:

C

Explanation:

because it not running will set it off course but running all the time it will run. out of fuel

8 0
3 years ago
Read 2 more answers
Calculate the mechanical advantage of a pulley system if only 10 lb is required to lift a 500 lb block
ExtremeBDS [4]

As we know that mechanical advantage is defined as the ratio of output force and input force for the pulley system

Here we know that it required 10 lb of input force in order to lift the block of 500 lb so here output force is 500 lb

now we have

MA = \frac{F_{out}}{F_{in}}

here we have

F_{out} = 500 lb

F_{in} = 10 lb

now from above formula we have

MA = \frac{500}{10}

MA = 50

so mechanical advantage of this system is 50

3 0
3 years ago
Consider an insulated tank with a volume V = 2 L is separated into two equal-volume parts by a thin wall. On the left is an idea
steposvetlana [31]

Answer

given,

V = 2 L

the left is an ideal gas at  P = 100 k Pa and T = 500 K

mass is constant

 m_1 = m_2

\dfrac{P_1V_1}{RT_1} = \dfrac{P_2V_2}{RT_2}

Pressure is same because it's not changing due to process

\dfrac{V}{500} = \dfrac{2 V}{T_2}

T_2 = 1000\ K

\Delta S_{univ} = \Delta S_{sys} + (\Delta S)_{surr}

\Delta S_{univ} =m(C_v ln (\dfrac{T_2}{T_1}))+ R ln (\dfrac{V_2}{V_1})

m = \dfrac{P_1V_1}{RT_1}

m = \dfrac{100 \times 10^3 \times 2 \times 10^{-3}}{287\times 500}

m = 1.39 x 10⁻³ Kg

\Delta S_{univ} =1.39\times 10^{-3}(0.718 ln\ 2+ 0.287 ln (2)

\Delta S_{univ} =0.968\times 10^{-3}\ kJ/K

5 0
3 years ago
What would be different about the heat of fusion &amp; vaporization ? and why?​
exis [7]

fusion is when solid changes it's state to liquid

and vaporization is when liquid changes it's state to gas

so the difference between fusion and vaporization is the state

3 0
3 years ago
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