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just olya [345]
3 years ago
9

A can of sardines is made to move along an x axis from x = 0.13 m to x = 1.42 m by a force with a magnitude given by F = exp(–7x

), with x in meters and F in newtons. (Here exp is the exponential function.) How much work is done on the can by the force?
Physics
1 answer:
Hunter-Best [27]3 years ago
4 0

Answer:

A can of sardines cant move

Explanation:

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Technician A says that galvanic activity is the result of a poor ground connection. Technician B says that electrolysis can occu
Drupady [299]

Answer:

Only B is correct.

Explanation:

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For example, a cell works by a redox reaction, in which a material reduces (gain electrons), and the other oxides (loses electrons). As higher is the standard reduction potential of a material, as easy is to it to reduces. Thus, if a cell works with the reduction happens with the material with low standard reduction potential, then it works by galvanic activity.

When electronics are connected to the house system, it's necessary to do the ground connection, which will allow the electrons that are dissipated to go to the earth. So, it is done incorrectly, the electrons flow to the equipment, which they natural path. So, the electrolysis can occur with a poor ground connection.

7 0
4 years ago
A physics student throws a ball thrown horizontally from the top of a building with a speed of 8 m/s. The student measures the h
Alekssandra [29.7K]

Answer:

Following are the solution to the given question:

Explanation:

Please find the complete question in the attached file.

a_x = 0\\\\a_y = -g = -9.81\ \ \frac{m}{s^2} \\\\v_{iy} = 0 \\\\y = v_{iy} \times t+ \frac{1}{2ay} \times t^2 \\\\ 15 = \frac{1}{2} \times 9.8 \times t^2 \\\\t = \sqrt{(2 \times \frac{15}{9.8})} \\\\

  = 1.75 \ sec \\\\

Distance:

x = v_{ix} \times t \\\\

  = 8 \times 1.75\\\\= 14 m

4 0
3 years ago
The type of interference that increases the energy of the resulting wave is called interference. The type of interference that r
tresset_1 [31]
Hello!

<span>The type of interference that increases the energy of the resulting wave is called constructive interference. The type of interference that results in a loss of energy is called destructive interference.

When two or more waves are in the same medium, they can cross at a given point, where interference happens. When the two waves are in phase, the resulting amplitude in the point of interference is maxed. This is called constructive interference.

When the two waves are in opposing phases, the resulting amplitude in the point of interference is minimized. This is called destructive interference.

Have a nice day!</span>
6 0
3 years ago
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Pb(NO3)2 + 2KI → PbI2 + 2KNO3 is what kind of reaction?
san4es73 [151]
This reaction would be classified as a double displacement or replacement reaction. This is because the atoms/groups of atoms within each compound are swapped or have broken bonds and reformed with other atoms/groups, where each of them has been replaced with their counter metal or nonmetal in the equation.
6 0
4 years ago
A football player pushes against another player trying to block him from moving any farther down the field. Which term best desc
Ira Lisetskai [31]

Answer:

negative work is done.

Explanation:

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3 0
3 years ago
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