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klio [65]
3 years ago
6

Two positive charges of 6.0 x 10^-6 C are separated by 0.50 m. Calculate the force of electrical attraction

Physics
1 answer:
SpyIntel [72]3 years ago
3 0

Answer:

Force between two charges is given as 1.296 N

Explanation:

As we know that the two charges will attract or repel each other when they are placed near to each other

Here we know that electrostatic force is given as

F = \frac{kq_1 q_2}{r^2}

here we have

q_1 = q_2 = 6 \times 10^{-6} C

distance between two charges is given as

r = 0.50 m

so we have

F = \frac{(9\times 10^9)(6 \times 10^{-6})^2}{0.50^2}

F = 1.296 N

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A bungee jumper with a weight of 613 N leaps off
Ierofanga [76]

Answer:

13.9 kJ

Explanation:

Work = force × distance

W = (613 N) (22.6 m)

W = 13,900 J

W = 13.9 kJ

6 0
4 years ago
The equation below can be used to find the specific heat capacity of a substance. What is the specific
slavikrds [6]

Answer:

<em>specific</em><em> </em><em>heat</em><em> </em><em>capacity</em><em> </em><em>(</em><em>c</em><em>)</em><em> </em><em>=</em>107.2J/kg K

6 0
2 years ago
What is the wavelength of a light ray that has a frequency of 7.4 E12 Hz?
const2013 [10]

The wavelength of the light ray with the given frequency is 4.05 × 10⁴nm.

Given the data in the question;

  • Frequency of the light ray; f = 7.4 * 10^{12}Hz
  • Wavelength; \lambda = \ ?

<h3>Wavelength</h3>

Wavelength can be simply defined as the spatial period of a periodic wave. When the shapes of waves are repeated, the distance over which they are repeated is called wavelength. Wavelength is expressed as;

\lambda = \frac{c}{f}

Where \lambda is wavelength, f is frequency and c is speed of light( c = 3*10^8m/s )

We substitute our values into the expression above to determine the wavelength of the light ray.

\lambda = \frac{c}{f} \\\\\lambda = \frac{3*10^8m/s}{7.4*10^{12}s^{-1}}} \\\\\lambda = \frac{3*10^8ms/s}{7.4*10^{12}}}\\\\\lambda = 4.05*10^{-5}m\\\\\lambda = 4.05*10^{4}nm

Therefore, the wavelength of the light ray with the given frequency is 4.05 × 10⁴nm.

Learn more about wavelength: brainly.com/question/16776907

5 0
3 years ago
An equation for the period of a planet is 4 pie² r³/Gm where T is in secs, r is in meters, G is in m³/kgs² m is in kg, show that
marishachu [46]

Answer:

\displaystyle T = \sqrt{\frac{4\, \pi^{2} \, r^{3}}{G \cdot m}}.

The unit of both sides of this equation are \rm s.

Explanation:

The unit of the left-hand side is \rm s, same as the unit of T.

The following makes use of the fact that for any non-zero value x, the power x^{-1} is equivalent to \displaystyle \frac{1}{x}.

On the right-hand side of this equation:

  • \pi has no unit.
  • The unit of r is \rm m.
  • The unit of G is \displaystyle \rm \frac{m^{3}}{kg \cdot s^{2}}, which is equivalent to \rm m^{3} \cdot kg^{-1} \cdot s^{-2}.
  • The unit of m is \rm kg.

\begin{aligned}& \rm \sqrt{\frac{(m)^{3}}{(m^{3} \cdot kg^{-1} \cdot s^{-2}) \cdot (kg)}} \\ &= \rm \sqrt{\frac{m^{3}}{m^{3} \cdot s^{-2}}} = \sqrt{s^{2}} = s\end{aligned}.

Hence, the unit on the right-hand side of this equation is also \rm s.

8 0
3 years ago
Ve scientific reasons.<br><br> It is not possible to get a perfect machine in our practice, why?​
adell [148]

Answer:

Explanation:

An Ideal Machine is a machine which gives 100 percent efficieny that is entire input energy is converted into output energy.

however this is not possible as some energy is lost due to friction, imperfect components and all. Therefore no machine is Ideal machine.

5 0
3 years ago
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