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Lelu [443]
4 years ago
10

What is one common way that a charge can accumulate on a object?

Physics
1 answer:
Damm [24]4 years ago
5 0

Answer:

Friction

Explanation:

Friction is rubbing two objects together. When this happens electrons from one object goes to the other. When one object loses electrons, it will have more protons, so it will be positively charged. When one object gains electrons it becomes negatively charged.

This is what happens when you rub a rubber balloon on your hair, or even on the wall. Because one will be negatively charged and the other positive, the objects then attract each other and they stick together, like what happens when you rub the balloon on your hair, you hair will stick to the balloon, or vice-versa.

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What happens to Earth’s surface when horizontal pressure is applied to rocks?
ikadub [295]

Answer:

They fold to create ridges and valleys perpendicular to the direction to which pressure is applied.

3 0
2 years ago
Light and radio waves travel through a vacuum in a straight line at a speed of very nearly 3.00 ´ 108 m/s. How far is light year
mezya [45]
<span>We need to calculate the number of seconds in one year. time = (365 days) (24 hours/day) (3600 seconds/hour) time = 31536000 seconds We can calculate the distance that light travels in this many seconds. distance = speed x time distance = (3.00 x 10^8 m/s) (31536000 seconds) distance = 9.46 x 10^{15} meters A light year is 9.46 x 10^{15} meters</span>
7 0
3 years ago
Sketch the circuit labeling the meter and bulb as two separate resistors connected in parallel to the voltage source. Then show
Ksenya-84 [330]

Answer:

Show attached picture

Explanation:

Let's call V the voltage provided by the battery in the circuit. M is the multimeter (let's call R_M its internal resistance) and R indicates the resistance of the light bulb.

We know that the meter's internal resistance is 1000 times higher than the bulb's resistance:

R_M = 1000 R (1)

Both  the meter and the bulb are connected in parallel to the battery, so they both have same potential difference at their terminals:

V_M = V_R

Using Ohm's law, V=RI, we can rewrite the previous equation as:

R_M I_M = R I_R

where

I_M is the current in the meter

I_R is the current in the bulb

Using (1), this equation becomes

(1000 R) I_M = R I_R \rightarrow I_M = \frac{I_R}{1000}

so, the current in the meter is 1000 times less than through the bulb.

5 0
4 years ago
Which two statements are true about how a thermal power generation system works?
Zina [86]

Answer:

Explanation:

Steam spins turbine blades, turning a generator shaft to create electricity.

Heat energy is converted to mechanical energy and then electricity.

7 0
2 years ago
Why does a rubber band become warm when you stretch it repeatedly
svetlana [45]
A rubbber band becomes warm when stretched repeatedly because it stores its energy as thermal energy. When you stretch the rubber band again and again, this gives the rubber more thermal energy, causing it to heat up.
7 0
3 years ago
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