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Fofino [41]
4 years ago
7

you push a coin across a table the coin stops how does this motion relate to balanced and unbalanced forces

Physics
1 answer:
-BARSIC- [3]4 years ago
8 0
When you exert a force on the coin, it will accelerate. If you push the coin and it moves at a constant velocity, the friction force must be equal to the force that you are exerting. This is an example of a balanced force. When the net force is greater than 0 N, the is an unbalanced force.
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HELP ASAP!!!! Which is used to name an ionic compound?
Lina20 [59]
<span>B)if the positive ion ends in -ide </span>
7 0
3 years ago
Read 2 more answers
Two protons (each with q = 1.60 x 10-19)
otez555 [7]

Answer:

230.4 N

Explanation:

From the question given above, the following data were obtained:

Charge (q) of each protons = 1.6×10¯¹⁹ C

Distance apart (r) = 1×10¯¹⁵ m

Force (F) =?

NOTE: Electric constant (K) = 9×10⁹ Nm²/C²

The force exerted can be obtained as follow:

F = Kq₁q₂ / r²

F = 9×10⁹ × (1.6×10¯¹⁹)² / (1×10¯¹⁵)²

F = 9×10⁹ × 2.56×10¯³⁸ / 1×10¯³⁰

F = 2.304×10¯²⁸ / 1×10¯³⁰

F = 230.4 N

Therefore, the force exerted is 230.4 N

5 0
3 years ago
Can you access an instance variable from a static method? explain why or why not.
marusya05 [52]
<span>The reason a static method can't access instance variable is because static references the class not a specific instance of the class so there is no instance variable to access.</span>
5 0
4 years ago
Which of the following is NOT an example of a medium.
andriy [413]

Answer:

D.) Metal

Explanation:

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8 0
3 years ago
Calculate the rate of energy transfer by a 5 ohms resistor when there is a current of 0.2 A in it.​
vredina [299]

Answer: The rate of energy transfer by a 5 ohms resistor when there is a current of 0.2 A in it.= 1.25 watt.

Explanation:

  • The rate of energy transfer from one point to another is known as power.
  • Its SI. unit is <em>Watt.</em>

Formula to compute power:

Power = I^2 R, I = cureent, R = resistance.

Given R = 5 ohm , Current = 0.5 A.

Then, power = (0.5)^2\times 5=0.25\times5=1.25\ watt

Hence, the rate of energy transfer by a 5 ohms resistor when there is a current of 0.2 A in it.= 1.25 watt.

5 0
3 years ago
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