If a rod attached to the approaching charge if the rod consists of "stiff" spring-like bonds for which atoms undergo small oscillations. What can we say, about these springlike bonds when the charge is first, furthest away and second, closest to the source charge

Answers

Answer 1

Answer:

Answer: hello options related to your question is missing attached below is the missing part of your question

answer: No charge of the length of the bonds expected because the rod did not touch the charge source ( option A )

Explanation:

When the Charge is first, Furthest away and second and closest to the source charge. The spring like bonds can be said to have No charge of the length of the bonds expected because the rod did not touch the charge source when Furthest away the bond with charge will be less effective

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It takes 56.5 kilojoules of energy to raise the temperature of 150 milliliters of water from 5°C to 95°C. If youuse an electric water heater that is 60% efficient, how many kilojoules of electrical energy will the heater actually use by the time the water reaches its final temperature?

John’s mass is 95.6 kg, and Barbara’s is 55.3 kg. He is standing on the x axis at xJ = +10.9 m, while she is standing on the x axis at xB = +2.50 m. They switch positions. How far and in which direction does their center of mass move as a result of the switch? Distance moved by center of mass =

Answers

Answer:Shifted towards Left by distance of 2.243 m

Explanation:

Given

Mass of john $m_1=95.6 kg$

Mass of barbara $m_2=55.3 kg$

John is standing at $x=10.9 m$

Barbara is standing at $x=2.50 m$

$x_(com)=(m_1x_1+m_2x_2)/(m_1+m_2)$

$x_(com)=(95.6* 10.9+55.3* 2.5)/(95.6+55.3)$

$x_(com)=(1180.29)/(150.9)$

$x_(com)=7.821 m$

Now if they change their Position then

$x'_(com)=(95.6* 2.5+55.3* 10.9)/(95.6+55.3)$

$x'_(com)=(841.77)/(150.9)$

$x'_(com)=5.578$

Thus we can see that center of mass shifted towards left by a distance of $2.243 m$ because heavier is shifted towards left

6. State whether each of the following is an example of conduction, convection, and/or radiation. Explain if you think there is more than one possibility. (a)You are cooking, and the handle of the spoon you are using to stir the soup starts to feel hot.

(b)A pail of hot water is added to a child’s inflatable pool. After a while, the pool is warm.

(c)You go to the park, and when you sit on a metal bench, it is hot.

(d)You are standing near a barbecue, and you feel the heat on your face.

Answers

a). Convection is heating the soup in the pot.
When you stick the spoon into the hot soup,
conduction heats the spoon all the way up to the end.

b). Water conducts heat a little bit.
But convection is much more responsible for the
uniform distribution of temperature in the kiddie pool.

c). The heat from the metal bench conducts directly
to the buttus epidermis when you sit on it.

d). You feel the heat on your face ... but not on the back of your
neck ... on account of radiation from the fire and the hot grill.

Atoms that have become negatively charged by gaining extra electrons are called _____. anions anodes cations cathodes

Answers

Answer:

Anions

Explanation:

Anions : Anions are defined as the atoms or the radicals. Atoms that have become negatively charged by gaining extra electrons are anions. For example, bromide ion (Br⁻), chloride ion (Cl⁻).

Anodes : The positively charged electrode by which an electron leave a device is called an anode.

Cations : They are the positively charged particle. For example silver ion (Ag⁺).

Cathodes : The negatively charged electrode by which an electron enter an device is called an cathodes.

Hence, the correct option is (a) " anions ".

Anions: negatively charged atoms

Cations: positively charged atoms (CAT-ions are PAWS-itively charged)
Anode: positively charged electrode that allows electrical current flow (positive end of battery)
Cathode: negatively charged electrode that allows electrical current flow (negative end of batter)

If the rifle is stopped by the hunter’s shoulder in a distance of 3.16 cm, what is the magnitude of the average force exerted on the shoulder by the rifle? Answer in units of N.
mass of bullet= 0.0137 kg
velocity of bullet= 546 m/s to the right
mass of rifle= 3.82 kg
recoil speed of the rifle as the bullet leaves the rifle= 1.958167539 m/s

Answers

Answer:

F = 231.77N

Explanation:

Given the following data

Distance of Hunter's shoulder (d) = 3.16cm = 0.0316m

mass of bullet (m1) = 0.0137 kg

velocity of bullet (v1) = 546 m/s

mass of rifle(m2)= 3.82 kg

Velocity of rifle (V2) = 1.958167539 m/s

Momentum = MV

Momentum is conserved

Since we are looking for the force exerted on the shoulder by the rifle

Work done = Force × distance (F×d)

The rifle possessed kinetic energy = 1/2mV²

Therefore, work done = kinetic energy

F×d = 1/2mv²

F = 0.5mv²/d

By substitution we have

F = 0.5×3.82×1.9582²/0.0316

F = 7.324/0.0316

F = 231.77N

Did you get a correct answer to your question?

What are two most important processes in the cycling of oxygen in and out of the atmosphere?

Answers

Weathering and erosion

In a classroom demonstration, students are using a Slinky to observe and learn about wave properties. If the Slinky has a period of 0.333 seconds, what is the frequency?

Answers

Answer:

Frequency = 3.0 Hertz

Explanation:

Given the following data;

Period = 0.333 seconds

To find the frequency;

Mathematically, frequency of a wave is given by the formula;

Frequency = 1/period

Substituting into the formula, we have;

Frequency = 1/0.333

Frequency = 3.0 Hertz

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