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Aleksandr [31]
1 year ago
7

How does position depend on time on a free falling motion, for short distance, near the surface of the earth?

Physics
1 answer:
Korvikt [17]1 year ago
7 0

Answer:

if an object is in free fall for a longer time its position will increase at an exponential rate because the object is accelerating

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Write two different unit in which mass is measured.​
inessss [21]

Answer:

kilograms and grams

Explanation:

kilograms is the stadard unit for mass according to the SI system.

Grams is another unit for mass.

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2 years ago
Which term is defined as the change in the direction of light when it goes from one medium into a different medium?
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Refraction is the term  

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How long do comets last?
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8 0
3 years ago
Two rigid rods are oriented parallel to each other and to the ground. The rods carry the same current in the same direction. The
bazaltina [42]

Answer:

The current in the rods is 171.26 A.

Explanation:

Given that,

Length of rod = 0.85 m

Mass of rod = 0.073 kg

Distance d = 8.2\times10^{-3}\ m

The rods carry the same current in the same direction.

We need to calculate the current

I is the current  through each of the wires then the force per unit length on each of them is

Using formula of force

\dfrac{F}{L}=\dfrac{\mu_{0}I^2}{2\pi d}

\dfrac{mg}{L}=\dfrac{\mu_{0}I^2}{2\pi d}

Where, m = mass of rod

l = length of rod

Put the value into the formula

I^2=\dfrac{mgd}{\mu L}

I^2=\dfrac{0.073\times9.8\times8.2\times10^{-3}}{2\times10^{-7}}

I=\sqrt{29331.4}

I=171.26\ A

Hence, The current in the rods is 171.26 A.

5 0
3 years ago
Why mirrors show texts in reverse order?
bogdanovich [222]
Mirrors reflect meaning shows what would be seen if everything was turned around, therefore, it shows text backwards because if it is turned around, it is in reverse order.
7 0
2 years ago
Read 2 more answers
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