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Oliga [24]
3 years ago
15

We will use a video to analyze the dependence of the magnitude of the Coulomb force between two electrically-charged spheres on

the distance between the centers of the spheres. The electrical interaction is one of the fundamental forces of nature and acts between any pair of charged objects, therefore it is important to understand how precisely the separation distance affects the corresponding force between them.
1. Study conceptually the nature of Hint 1. Unit conversions Note that 1 nC 109 c. Hint2. The values for the first data point The first suggested data point was 31.9 cm and 0.00016 N electric charge and force

2. Take measurements of the force exerted between two electrically- charged spheres as the distance between them is varied

3. Determine graphically the relationship between electric force and distance nc

Physics
1 answer:
yan [13]3 years ago
4 0

Find the attached photo for the solution

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A tennis ball is thrown upwards from the edge of a cliff with a speed of 10\,\dfrac{\text m}{\text s}10 s m ​ 10, start fraction
tresset_1 [31]

Answer:

5.1m

Explanation:

Given the following parameters

Speed v = 10m/s

Time = 3.0s

Required

Displacement of the tennis ball

Using the equation of motion

v² =u²-2gh (g i s negative due to upward motion of the ball)

Substitute the given values into the expression above;

0² = 10²-2(9.8)h

0 = 100-19.6h

19.6h = 100

h = 100/19.6

h= 5.1m

Hence the displacement of the ball is 5.1m

5 0
3 years ago
A bicyclist starting from rest applies a force of F = 454 N to ride his bicycle across flat ground for a distance of d = 250 m b
frutty [35]

Answer:

1.) 113500J

2.) 237m

Explanation:

Hello!

To solve this exercise follow the following steps, the description and complete process is in the attached image

1. Draw the full sketch of the problem.

2. The work is defined as the product of the trajectory by the force that is parallel to this direction, for this reason to find the work done we multiply the horizontal distance (250m) by the applied force (454N)

3. The potential energy is equal to the product of mass, gravity and height and is equal to the work done by the force applied by the cyclist, of this relationship and using algebra we can find the height that the cyclist climbed

4. We use the sine function to find the diagonal distance using the height and angle of the slope

7 0
3 years ago
Explain how pressure can be used to<br> change the state of matter
mestny [16]

Answer:

Physical conditions like temperature and pressure affect state of matter. ... When the pressure exerted on a substance increases, it can cause the substance to condense. Decreasing pressure can cause it to vaporize. For some types of rock, decreasing pressure can also cause them to melt.

7 0
3 years ago
A student pushes a 50-N box across the floor a distance of 15 m. How much work was done to move the box?
irinina [24]

Answer:750

Explanation:

50 times 15

4 0
3 years ago
Read 2 more answers
How are dwarf planets different from true planets?
morpeh [17]

Answer:

The only difference between a planet and a dwarf planet is the area surrounding each celestial body. A dwarf planet has not cleared the area around its orbit, while a planet has.

Explanation:

the three criteria of the IAU for a full-sized planet are: It is in orbit around the Sun. It has sufficient mass to assume hydrostatic equilibrium (a nearly round shape). It has "cleared the neighborhood" around its orbit .

3 0
3 years ago
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