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Lerok [7]
3 years ago
13

Please help I need this fast

Physics
1 answer:
Ghella [55]3 years ago
5 0
The solution has reacted.
You might be interested in
Which Sl units are combined to describe energy?
azamat

Answer:

kilograms and m²/s²

Explanation:

The SI units combined to describe energy is kilograms and m²/s² ;

  Energy can be derived from;

Potential energy  = mgh

   Units               = kg x m/s² x m

                          = kg m²/s²

Even if we use kinetic energy, we still get kg m²/s²

5 0
3 years ago
Three 5 Ohm resistors are connected in parallel to a 9 Volt power supply. What is the current through each resistor?
Sedaia [141]

Answer:

I₁ = I₂ = I₃ = 12 A

Explanation:

Since the resistors are connected in parallel across a battery. Hence, the voltage across each of them will be the same, which will be equal to the voltage of the power supply. Since each resistor has the same resistance of 5 Ω. Therefore. the current across each resistor will also be the same. We can easily calculate these current values by the use of Ohm's Law, as follows:

V = IR\\I_{1}=I_{2}=I_{3}=\frac{V}{R} \\\\I_{1}=I_{2}=I_{3}=\frac{9\ Volt}{5 \Omega}\\\\

<u>I₁ = I₂ = I₃ = 12 A</u>

3 0
3 years ago
Two charged particles attract each other with a force of magnitude F acting on each. If the charge of one is doubled and the dis
irakobra [83]

Answer:

F/2

Explanation:

In the first case, the two charges are Q1 and Q2 and the distance between them is r. K is the Coulomb's constant

Hence;

F= KQ1Q2/r^2 ------(1)

Where the charge on Q1 is doubled and the distance separating the charges is also doubled;

F= K2Q1 Q2/(2r)^2

F2= 2KQ1Q2/4r^2 ----(2)

F2= F/2

Comparing (1) and (2)

The magnitude of force acting on each of the two particles is;

F= F/2

4 0
3 years ago
I need to know the temperature changes
Arada [10]
What are you asking? And more info needs to be provided.
5 0
3 years ago
Which property of a body resists change from a state of rest or of motion?
jeyben [28]

Answer:

mass

Explanation:

As this is directly related to inertia. Inertia is the property of unit which resists the change of state of rest or motion

7 0
2 years ago
Read 2 more answers
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