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Rzqust [24]
3 years ago
12

What is the chemical formula for magnesium sulfide?

Physics
1 answer:
ira [324]3 years ago
4 0

Answer:

MgS

Explanation:

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If the direction of the position is north and the direction of the velocity is up, then what is the direction of the angular mom
Kay [80]

Answer:

the direction of angular momentum = EAST

Explanation:

given

Direction of position = r = north

Direction of velocity = v = up

angular momentum = L = m(r x v)

where m is the mass, r is the radius, v is the velocity

utilizing the right hand rule, the right finger heading towards the course of position vector and curl them toward direction of velocity, at that point stretch thumb will show the bearing of the angular momentum.

then L = north x up = East

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3 years ago
A bullet is fired horizontally at a height of 2 meters at a velocity of 930 m/s. Assume no air resistance. How far did the bulle
USPshnik [31]

Answer:

im pretty sure its a

Explanation:

4 0
3 years ago
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In which situations is gravitational potential energy present?
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Gravitational potential energy is associated with the shape or position of an object.
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3 years ago
Dose scientists believe the earth four layers were fomed
horsena [70]
Yes because they believe they were formed from magma solidifying.
6 0
4 years ago
A na+ ion moves from inside a cell, where the electric potential is -72 mv, to outside the cell, where the potential is 0 v. wha
Vlada [557]
The change in electric potential energy of the ion is equal to the charge multiplied by the voltage difference:
\Delta U = q \Delta V = q (V_f - V_i)
where the charge q of the na+ ion is equal to one positive charge, so it's equal to the proton charge: q=1.6 \cdot 10^{-19} C, and Vf and Vi are the final and initial voltages.

Substituting the numbers, we find:
\Delta U = (1.6 \cdot 10^{-19}C)(0 V-(-0.072 V))=1.15 \cdot 10^{-20} J
7 0
3 years ago
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