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gizmo_the_mogwai [7]
2 years ago
9

How many atoms are in each product silver sulfide ​

Physics
1 answer:
AlekseyPX2 years ago
5 0

there are 3 atoms in each silver sulfide

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The north pole of one bar magnet is near the south pole of another bar
Neporo4naja [7]
B
Opposites attract
Like poles repel
5 0
3 years ago
A star is rotating at 5.55x10-5 π rad/s, its velocity decelerates at a constant rate of 0.5x10-9 π rad/s2.?
Basile [38]
<h2>The current rotational period of that star is 10.01 hours.</h2>

Explanation:

Given that,

Initial angular velocity of the star, \omega=5.55\times 10^{-5}\pi \ rad/s

It decelerates, final angular speed, \omega_f=0

Deceleration, \alpha =-0.5\times 10^{-9}\pi \ rad/s^2

It is not required to use the rotational kinematics formula. The angular velocity in terms of time period is given by :

\omega=\dfrac{2\pi}{T}

T is current rotational period of that star

T=\dfrac{2\pi}{\omega}

T=\dfrac{2\pi}{5.55\times 10^{-5}\pi \ rad/s}

T = 36036.03 second

or

1 hour = 3600 seconds

So, T = 10.01 hours

So, the current rotational period of that star is 10.01 hours. Hence, this is the required solution. Hence, this is the required solution.

4 0
3 years ago
A constant force is exerted for a short time interval on a cart that is initially at rest on an air track. This force gives the
Ilya [14]

Answer:

d) is the same as when it started from rest

Explanation:

using equation of motion

v = u + at

second law of momentum defines

F = ma

a = F /m

the equation becomes

v = u + (F/m)t

from hear

since v is directly proportional to the force and the force remain the same, the increase in the cart speed will also remain the same.

5 0
3 years ago
A 5.5-kW resistance heater in a water heater runs for 3 hours to raise the water temperature to the desired level. Determine the
Stella [2.4K]

Answer:

16.5 kwh and 59400 kJ.

Explanation:

kWh is a measure of energy that is equivalent to the power in kw times the number of hours the device worked.

In this case, it would be equal to:

E_{kwh}=5.5kw*3h=16.5kwh

1 kw also means 1kj of energy spent per second. With this, we calculate the amount of energy in kJ spent by the resistance:

E_{kJ}=5.5\frac{kJ}{s}*3h*\frac{3600s}{1h} = 59400 kJ

5 0
3 years ago
3 points
Ilia_Sergeevich [38]

Answer:

Potential

Explanation:

The water in the bathtub has more potential energy than that in the tea cup because it has a greater number of water molecules.

Mass is a parameter that is very instrumental in determining potential energy.

The potential energy of a body is the energy due to the position of that body.

   Potential energy  = mass x acceleration due gravity x height

Mass is the amount of matter in a substance. Water in the tub will have more mass and contain a greater number of water molecules there in.

Since potential energy is directly proportional to mass, then, it will have a greater amount of potential energy.

3 0
2 years ago
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