Answer:
Closed circuit
Explanation:
See the switch is not connected with circuit.
- It's still off
- So the bulb is not glowing
<h2>v = 2.5J/c</h2>
Explanation:
<h2>Given:</h2>
<h3>Energy = E = 20J</h3>
<h3>Charge = Q = 8C</h3>
<h2>Require :</h2>
___________
<h3>Potential Difference = V = ?</h3>
<h2>Formula :</h2>
____________
<h2>V =
</h2>
<h2>Solution:</h2><h3>_________</h3>
<h2>V =
</h2>
<h3>V = 2.5V</h3>
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.
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<h2>
</h2>
0 m/s, the ball will stop before transferring to the force of gravity on earth (-9.8 m/s^2) starts acting on it.
Answer:
Explanation:
We shall apply Pascal's Law in fluid mechanics
According to it , pressure is transmitted in liquid from one point to another without any change .
25 cm diameter = 12.5 x 10⁻² m radius
Area = 3.14 x (12.5 x 10⁻²)²
= 490.625 x 10⁻⁴ m²
Pressure by vehicle
Force / area
13000 / 490.625 x 10⁻⁴
= 26.497 x 10⁴ Pa
5 cm diameter = 2.5 x 10⁻² radius
area = 3.14 x (2.5 x 10⁻²)²
= 19.625 x 10⁻⁴ m²
If we assume required force F on this area
Pressure = F / 19.625 x 10⁻⁴ Pa
According to Pascal Law
F / 19.625 x 10⁻⁴ = 26.497 x 10⁴
F = 19.625 x 26.497
= 520 N