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3 years ago

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Why are force fields necessary to describe eletric force

2 answers:

Mazyrski [523]3 years ago

8 0

Answer:

electric force fields indicate the strength of the electric force that will be experienced and also the direction of the force

Explanation:

bazaltina [42]3 years ago

4 0

Answer:

Electric force is a phenomenon which is experienced by a point charge due to its presence in an electric field. Electric force fields indicate the strength of the electric force that will be experienced, and also the direction of the force. The strength is shown by the closeness of the electric field lines and the direction is shown by the direction of the lines. Therefore, force fields are necessary in describing electric force.

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A car with a mass of 1.5 × 103 kilograms is traveling west at a velocity of 22 meters/second. It hits a stationary car with a ma

Licemer1 [7]

A. 14 meters/second to the west

3 0

2 years ago

Read 2 more answers

An electron is initially at rest in a uniform electric field having a strength of 1.85 × 106 V/m. It is then released and accele

kirza4 [7]

Answer:

$W = 462.5 keV$

Explanation:

As we know that when electron moved in electric field then work done by electric field must be equal to the change in kinetic energy of the electron

So here we have to find the work done by electric field on moving electron

So we have

$F = qE$

$F = (1.6 \times 10^{-19})(1.85 \times 10^6)$

$F = 2.96 \times 10^{-13} N$

now the distance moved by the electron is given as

$d = 0.25 m$

so we have

$W = F.d$

$W = (1.6 \times 10^{-19})(1.85 \times 10^6)(0.25)$

$W = 7.4 \times 10^{-14} J$

now we have to convert it into keV units

so we have

$1 keV = 1.6 \times 10^{-16} J$

$W = 462.5 keV$

5 0

3 years ago

This illustration shows two opposing forces pulling on a wagon. Which description best describes how the wagon will move?

Talja [164]

Answer:

The wagon will move to the right.

Explanation:

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

Force applied to the left (Fₗ) = 10 N

Force applied to the right (Fᵣ) = 30 N

Direction of the wagon =.?

To determine the direction in which the wagon will move, we shall determine the net force acting on the wagon. This can be obtained as follow:

Force applied to the left (Fₗ) = 10 N

Force applied to the right (Fᵣ) = 30 N

Net force (Fₙ) =?

Fₙ = Fᵣ – Fₗ

Fₙ = 30 – 10

Fₙ = 20 N to the right

From the calculations made above, the net force acting on the wagon is 20 N to the right. Hence the wagon will move to the right.

8 0

2 years ago

A force F is exerted at a distance D from the axis of rotation of a wrench and is exerted at an angle θ to the wrench (θ is the

Katyanochek1 [597]

Answer:

Torque = R X F = R * F sin theta

-f * 2R will exert an equal opposite torque

-f * 2 = F sin theta

f = -F sin theta / 2

4 0

2 years ago

anzhelika [568]

Answer:

44.72m/s

Explanation:

use th formula:vf²=vi²at

and then substitute the values

remember the units

8 0

2 years ago