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bogdanovich [222]
3 years ago
11

1. Which elements would likely have similar properties: two elements in the same group, or two elements in the same period?

Physics
2 answers:
Sergeeva-Olga [200]3 years ago
7 0

Answer:

3. Cs, they are in the same group, mainly sharing characteristics.

Explanation:

nadya68 [22]3 years ago
4 0

Answer:

Left side and center of the periodic table: metals

Right side of the periodic table: Nonmetals

Zigzag line toward right side of the periodic table: Metalloids

Explanation:

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A uniform disk with a mass of 5.0 kg and diameter 30 cm rotates on a frictionless fixed axis through its center and perpendicula
Marina86 [1]

Answer:\alpha =10.66 rad/s^2

Explanation:

Given

mass of disk m=5 kg

diameter of disc d=30 cm

Force applied F=4 N

Now this force will Produce  a  torque of magnitude

T=F\cdot r

T=4\dot 0.15

T=0.6 N-m

And Torque is given Product of moment of inertia and angular acceleration (\alpha )

T=I\cdot \alpha

Moment of inertia for Disc I= \frac{Mr^2}{2}

I=0.05625 kg-m^2

0.6=0.05625\cdot \alpha

\alpha =10.66 rad/s^2

3 0
3 years ago
Seismic waves carry energy from earthquakes through the earth's crust. Seismic waves are...
Crank

Answer:

- longitudinal waves only

Explanation:

The P seismic waves travel as elastic motions at the highest speeds. They are longitudinal waves that can be transmitted by both solid and liquid materials in the Earth's interior.

3 0
3 years ago
Which best explains how thermal energy is transferred when someone holds a hand above a fire?
Artyom0805 [142]
Heat rises therefore the heat from the fire rises up to your hand... i didnt have any answer choices to work with sorry
5 0
3 years ago
Read 2 more answers
Please help
natali 33 [55]

Answer:

Thermosphere

temperature continue to rise up to 1500*C

Ionosphere

Mesosphere

temperature falls to -93*C

Stratosphere

protective ozone layer

UV radiation causes temperature to rise

Troposphere

78% nitrogen, 21% oxygen

temperature drops from 17 to -52*C

Explanation:

3 0
3 years ago
Newton's law of gravitation states that two masses will ______.
spin [16.1K]
Pretty sure the answer is B. Attract each other
4 0
3 years ago
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