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Assoli18 [71]
2 years ago
13

In order to create a charged object, you need to ________.

Physics
1 answer:
Brums [2.3K]2 years ago
7 0
In order to create a charged object you need to transfer electrons either away or to the object by induction, conduction, or friction

Induction is without contact(like bringing a charged object to a electroscope charges the leaves at the bottom)
Conduction is with contact(like the previous answer, wore touching transfers the charge from a source to the object)
Friction(rubbing a balloon on wool)

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A truck was carrying a substance in a tank. The molecules of that substance were moving away from each other. The truck parked o
DochEvi [55]

Answer:

In the morning the molecules were moving away from each other with a smaller speed than when the truck was carrying the substance.

Explanation:

5 0
2 years ago
The circuit below contains an ideal battery, four identical light bulbs, and a switch. The switch is initially open.
Dafna1 [17]

The question is incomplete! circuit figure is attached below and answer and explanation is provided below.

Answer:

Bulb_A = Bulb_B = Bulb_D and Bulb_C = 0.

Explanation:

What happens when switch is open?

When the switch is open Bulb_C is open circuited meaning that there is no way for the current to flow through it. This path offers infinite resistance to the current therefore, current will try to take a least resistance path that is through Bulb_B.

So eventually, when the switch is open the circuit becomes a simple series circuit with path From battery to Bulb_A to Bulb_B to Bulb_D to battery with Bulb_C = 0.

What happens in a series circuit?

We know that in a series circuit, there is only one path for the current to flow therefore, same current will flow through all the series Bulbs and their brightness will be same. Bulb_A = Bulb_B = Bulb_D

Brightness in a series circuit:

We also know know that in a series circuit, resistance gets summed up and voltage across each Bulb gets shared which results in less power dissipation that's why Bulbs connected in series appear dimmer as compared to when they are connected in parallel.

5 0
2 years ago
What temperature is Sirius B?
Dmitry [639]
The answer would be 9,940 K is the temperature of Sirius B.
5 0
2 years ago
Because of friction, it required 6818.2 N to move a trailer 542 meters. How much work was accomplished?
nikklg [1K]

Answer:

The answer to your question is W = 3695464.4 J

Explanation:

Mechanical work is the force applied to an object multiply by the distance this object move as a consequence of the force.

Formula

Work = W (J)

Force = F (N)

distance = d (m)

                     W = F x d

Substitution

F = 6818.2 N

d = 542 m

                    W = 6818.2 x 542

Simplification and result

                    W = 3695464.4 J

5 0
3 years ago
What minimum speed does a 170 gg puck need to make it to the top of a frictionless ramp that is 3.6 mm long and inclined at 27 ∘
amid [387]

Answer:

0.176 m/s

Explanation:

given,

mass of the puck, m = 170 g

Length of the ramp, L = 3.6 mm

angle  of inclination, θ = 26°

the minimum speed require to reach at the top of the ramp

using equation of motion

v² = u² + 2 a s

final speed of the puck is zero

0² = u² - 2 g s

  u = \sqrt{2gh}

height of the pluck

sin \theta = \dfrac{h}{L}

sin 26^0= \dfrac{h}{3.6}

h = 1.58 mm

h = 0.00158 m

now,

  u = \sqrt{2\times 9.8\times 0.00158}

  u = 0.176 m/s

hence, the speed required by the pluck to reach at the top is equal to  0.176 m/s

3 0
3 years ago
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