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Tju [1.3M]
3 years ago
8

A force that causes an object to change its motion is called?

Physics
1 answer:
GarryVolchara [31]3 years ago
8 0
Unbalanced force.

The definition of an unbalanced force is a force that changes the position, speed or direction of the object to which it is applied.

When an object is still it means that is is balanced force. So you would need to add more force to another side to make it move. Which is unbalanced force.
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Which phenomenon generates electric current?
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The one that does that is the photoelectric effect.  This allows the sun to hit the surface and produces enough energy for electrons to be knocked off the atom and allows a current to move.
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2 years ago
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In a simple electric circuit, a 110-volt electric heater
Readme [11.4K]

Answer: 55 ohms

Explanation:

Given that,

Voltage of heater (v) = 110-volt

Current drawn by heater (I) = 2.0 amperes

resistance of the heater (r) = ?

Since voltage, current and resistance are involved, apply the formula for ohms law.

Voltage = current x resistance

i.e v = ir

where r = v / i

r = 110 volts / 2.0 A

r = 55 ohms

Thus, the resistance of the heater is 55 ohms

6 0
2 years ago
40. The emotions of this drug vary from euphoria to detachment to panic.
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Answer:

Marijuana

Explanation:

User of marijuana.

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What two types of atoms make a Covalent bond
dalvyx [7]

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4 0
3 years ago
A thin soap bubble of index of refraction 1.33 is viewed with light of wavelength 550.0nm and appears very bright. Predict a pos
faust18 [17]

Answer:

The possible thickness of the soap bubble = 1.034\times 10^{-7}\ m.

Explanation:

<u>Given:</u>

  • Refractive index of the soap bubble, \mu=1.33.
  • Wavelength of the light taken, \lambda = 550.0\ nm = 550.0\times 10^{-9}\ m.

Let the thickness of the soap bubble be t.

It is given that the soap bubble appears very bright, it means, there is a constructive interference takes place.

For the constructive interference of light through a thin film ( soap bubble), the condition of constructive interference is given as:

2\mu t=\left ( m+\dfrac 12 \right )\lambda.

where m is the order of constructive interference.

Since the soap bubble is appearing very bright, the order should be 0, as 0^{th} order interference has maximum intensity.

Thus,

2\mu t=\left (0+\dfrac 12\right )\lambda\\t=\dfrac{\lambda}{4\mu}\\\ \ = \dfrac{550\times 10^{-9}}{4\times 1.33}\\\ \ = 1.034\times 10^{-7}\ m.

It is the possible thickness of the soap bubble.

6 0
2 years ago
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