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Ira Lisetskai [31]
4 years ago
11

Name two physical properties that characterize matter

Physics
1 answer:
STatiana [176]4 years ago
8 0

Answer:

Matter have two essential types of properties, those are physical properties and chemical properties.

Explanation:

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A student is preparing to take a bath when she realizes the hot water tap in
Annette [7]

Answer:

one

Explanation:

6 0
3 years ago
Jan is holding an ice cube. What causes the ice to melt?
zmey [24]
It would be the temperature of her hand and also because it is going through the process of the water cycle it is changing from a solid to a liquid
6 0
4 years ago
A very light ideal spring having a spring constant (force constant) of 8.2 N/cm is used to lift a 2.2-kg tool with an upward acc
vampirchik [111]

Answer:

x = 3.5 cm

Explanation:

When spring is used as a lift tool

so the mass suspended on it will have spring force on it

So as per the force equation of mass we can say

F_{net} = ma

now net force on the mass is

F_{net} = kx - mg

F_{net} = kx - mg = ma

here we have

kx = mg + ma

now we have

x = \frac{mg + ma}{k}

x = \frac{2.2(9.8) + 2.2(3.25)}{8.2}

x = 3.5 cm

6 0
4 years ago
Which of these statements is true? controlled data produces valid experiments. controlled experiments produce valid data. valid
Brums [2.3K]

Each of the choices may be considered right depending on the use of context or on how terms are defined, but the one that is most correct is:

 

"Controlled experiments produce valid data"

 

Controlled experiments are experiments in which factors which are not the interest of the study or which are not being studied are controlled or accounted for in the design, so that resulting data are less likely to be caused by some anomaly or by some variable other than those being studied. In usual research scenarios it is not the data itself that is acted upon in the <span>experiment - it is the experiment itself, the factors and the physical processes that will eventually yield data.</span>

6 0
3 years ago
Two objects each with a mass of 5x10^15 kg have a gravitational
kipiarov [429]

Answer:

Distance, r = 700.31 m

Explanation:

Mass of two objects, m_1=m_2=5\times 10^{15}\ kg

Force between the objects , F=3.4\times 10^{15}\ N

We need to find the distance between the two objects. The force of gravitational between two objects is given by :

F=G\dfrac{m_1m_2}{r^2}\\\\r=\sqrt{\dfrac{Gm_1m_2}{F}} \\\\r=\sqrt{\dfrac{6.67\times 10^{-11}\times (5\times 10^{15})^2}{3.4\times 10^{15}}}\\\\=700.31\ m

So, the distance between the objects is 700.31 m.

6 0
3 years ago
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