Physics, 09.07.2019 03:30 itsgiovanna

A0.15g plastic bead is charged by the addition of 1.0×1010 excess electrons, what electric field e⃗ (strength) will cause the bead to hang suspended in the air? what electric field e⃗ (direction) will cause the bead to hang suspended in the air, up or down?

Answers: 1

Show answers

Answers

Answer from: hendo617

The electric field will cause the bead to hang suspended in the air is in downward direction with magnitude,

$E=9.186\times10^{5}\rm V/m$

What is electric field?

The electric field is the field, which is surrounded by the electric charged. The electric field is the electric force per unit charge. It can also be given as,

q=ne

Here (e) is the charge on an electron.

The mass of the plastic bead is 0.15 gram.

The charge added to the plastic bead is $1.0\times10^{10} \rm C$ .

As, the charge on one electron is equal to the $1.6\times10^{-19}\rm C$ . Thus, put these values in the above formula as,

$q=1.0\times10^{10}(1.6\times10^{-19})\\q=(1.6\times10^{-9})\rm C\\$

The electric filed for the balance is the ratio of the object and the charge it is experienced on it.

The electric field E (strength) will cause the bead to hang suspended in the air can be given as,

$E=\dfrac{0.15\times10^{-3}\times9.8}{1.6\times10^{-9}}\\E=9.186\times10^{5}\rm V/m$

As the charge on the bead is negative in the direction, thus the electric field strength should be applied in opposite direction, which is downward direction.

Hence, the electric field will cause the bead to hang suspended in the air is in downward direction with magnitude,

$E=9.186\times10^{5}\rm V/m$

Learn more about electric field here;

link

A0.15g plastic bead is charged by the addition of 1.0×1010 excess electrons, what electric field e⃗

Answer from: ameliaparry123p2eupk

The magnitude of the electric field for the bead to hang suspended in air is 9.19×10⁵V/m and the field is directed downwards.

If n electrons each of charge e are added to the bead, the total charge q on the bead is given by

q=ne

Substitute 1.0×10¹⁰ for n and 1.6×10⁻¹⁹C for e.

$q=ne\\ =(1.0*10^1^0)(1.6*10^-^1^9C)\\ =1.6*10^-^9C$

The bead ha a negative charge of magnitude 1.6×10⁻⁹C.

The bead has a mass m and its weight mg is directed downwards. The bead can be balanced in an electric field of strength E if the force it experiences due to the electric field is directed upwards and is equal to the magnitude of its weight. This is shown in the diagram attached.

For equilibrium,

mg=qE

Rewrite the expression for E.

$E=\frac{mg}{q}$

Substitute 0.15 g = 0.15×10⁻³kg for m, 9.8 m/s² for g and 1.6×10⁻⁹C for q.

$E=\frac{mg}{q}\\ =\frac{(0.15*10^-^3kg)(9.8m/s^2)}{(1.6*10^-^9C)} \\ =9.1875*10^5V/m$

The magnitude of the electric field required to balance the bead is 9.19×10⁵V/m.

The bead is negatively charged. For the bead to experience a force in the upward direction, the electric field is to be directed down wards.

The electric field is directed downwards.

Answer from: Quest

hi i’m sorry to call us today so we will get back with y’all and we will have to do it haha omg was the day

Answer from: Quest

the answer is a. the yacht traveled from the dock north to the 200-meter marker in the bay in less than 5 minutes, giving the passengers several more hours to fish.

im doing peak rn so sry if its wrong

Another question on Physics

Physics, 21.06.2019 17:50

The slotted link is pinned at o, and as a result of rotation it drives the peg p along the horizontal guide. compute the magnitude of the velocity and acceleration of p along the horizontal guide. compute the magnitudes of the velocity and acceleration of p as a function of θ if θ=(3t) rad, where t is measured in seconds.

Answers: 1

Answer

Physics, 22.06.2019 21:20

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.

Answers: 3

Answer

Physics, 22.06.2019 21:50

To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter

Answers: 2

Answer

Physics, 23.06.2019 02:30

Which phrase describes the paleo-indians of prehistoric arkansas? a. grew cornb. lived in cliff dwellings c. crafted beautiful potteryd. hunted with stone-tipped spearswhich phrase describes native arkansas from the woodland traditiona. developed widespread agricultureb. hunted mastodon and woolly mammothc.built rectangle-shaped homesd. traded salt with other groups

Answers: 2

Answer

You know the right answer?

A0.15g plastic bead is charged by the addition of 1.0×1010 excess electrons, what electric field e⃗...

Questions