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ludmilkaskok [199]
3 years ago
15

When Mendeleev organized elements in his periodic table in order of increasing mass, similar elements with similar properties we

re in the same (Blank)
Physics
1 answer:
Temka [501]3 years ago
8 0
Similar elements with similar properties were in the same groups and periods for instance lithium(Li) and sodium(Na) are alkaline metals and so belong to the same group (that is group 1).Also Hydrogen(H) and Helium(He) both have only one shell or energy level and so belong to the same period.
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A viscous fluid is flowing through two horizontal pipes. The pressure difference P1 - P2 between the ends of each pipe is the sa
777dan777 [17]

Answer:half of shorter Pipe

Explanation:

Fluid is Flowing through two horizontal pipes with pressure difference

P_1-P_2=\Delta P

Both pipes have same radius

Length of one Pipe is twice of other

Let Longer Pipe be denote by 1 and smaller by 2

From Hagen Poiseuille equation

\Delta P=\frac{128\mu L\cdot Q}{\pi D^4}

Where \mu =viscosity of medium

L=length of Pipe

Q=discharge

D=diameter

For longer Pipe

\Delta P=\frac{128\mu 2L\cdot Q_1}{\pi \cdot D^4}----1

For smaller Pipe

\Delta P=\frac{128\mu L\cdot Q_2}{\pi \cdot D^4}------2

From  1 &  2 we get

2L\cdot Q_1=L\cdot Q_2

Q_2=2Q_1

volume flow rate of longer pipe is half of smaller pipe

6 0
3 years ago
An atomic nucleus is composed of
musickatia [10]

Answer:

84 protons and 128 neutron

8 0
3 years ago
Foraging bees often move in straight lines away from and toward their hives. Suppose a bee starts at its hive and flies 500 m du
Ainat [17]

Answer:

The distance of the bee from the hive is 740 m.

Explanation:

Given that,

Bee starts fly 500 m due east, 430 m west and 670 m east.

The direction of the bee

500 m in positive direction

430 m in negative direction

670 m in positive direction

We need to calculate the net distance

Using formula of distance

D=500-430+670

D=740\ m

Hence, The distance of the bee from the hive is 740 m.

7 0
3 years ago
2. Our solar system is made up of the Sun, 8 planets, and other bodies such as
Pie
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8 0
3 years ago
A 12 V automobile battery is connected to an electric starter motor. The current
krek1111 [17]

Answer: 3000\ W,\ 78,000\ J

Explanation:

Given

The voltage of the battery is V=12\ V

Current through the battery is I=250\ A

(a) Power is the product of voltage and current

Power dissipates is given by

P=VI\\P=12\times 250\\P=3000\ W

(b) Energy delivered

E=P\times t

E=3000\times 26\\E=78,000\ J

3 0
3 years ago
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