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zmey [24]
3 years ago
7

The engine of a 550kg car is producing a net force of 11,000N. What is its acceleration?

Physics
2 answers:
Fudgin [204]3 years ago
8 0

Answer:

20

Explanation:

(correct me if im wrong)

F = m×a

11000 = 550 × a

11000/550 = a

Acceleration =20

finlep [7]3 years ago
7 0

Answer:

Yeda

Explanation:

yshyei5rexwu drift hai used thakare I exam rest watu testing reddy

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CO2 and N2O keep the energy that gets to Earth from the sun inside the atmosphere. Without greenhouse gases, our planet would be too cold. But due to the recent increase in greenhouse gases, more energy released from the sun is contained in the Earth, heating it up.
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3 years ago
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When it reacts with another element, an oxygen atom gains two electrons.
luda_lava [24]

Answer:

A

Explanation:

An ion with a negative charge

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Your brother is insisting that you’ll never hear a sound produced behind a barrier wall at the end of your yard you notice that
Tresset [83]

Answer

D.Diffraction

Explanation

Diffraction is a property that is experienced by waves when they come across a barrier when they are in motion.

The ways tends to curve behind the barrier. This is called diffraction of waves.

Now, sound is a wave and it also experience diffraction. . So the brother will be able to hear the sound due to diffraction

8 0
3 years ago
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A 110 V power line is protected by a 15 A fuse. What is the maximum number of 400 W lamps that can be simultaneously operated in
Nitella [24]

Answer:

Total number of lamps will be 4            

Explanation:

We have given power of the lamp W = 400 watt

Potential difference across the lamp V=110 volt

We know that power is equal to P=VI

So 400=110\times I

I=3.636A

Total current is given 15 A

As it is given that lamps are connected in parallel so total current is the sum of current through each lamp

So number of lamp will be n=\frac{15}{3.636}=4.125

As the lamp can not be in negative

So total number of lamps will be 4

5 0
2 years ago
Under what condition will a glass lens placed in a transparent medium becomes invisible??
Viktor [21]

Answer:

A lens placed in a transparent liquid becomes invisible because when refractive index of the material of the lens is equal to the refractive index of the liquid in which lens is placed under this condition no bending of light takes place when it travels from liquid to the lens, so both will start behaving like both are same things.

Explanation:

hope it helps :))

5 0
2 years ago
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