3 years ago

What is The most basic unit of an Element on the Periodic Table

Physics

1 answer:

lesya [120]3 years ago

8 0

Answer:

atom(which contains protons, neutrons and electrons)

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Heather and Matthew take 45 s to walk eastward along a straight road to a store 72 m away. What is their average velocity?

vladimir1956 [14]

Answer:

v = 1.6 m/s

Explanation:

Given that,

Distance, d = 72 m

Time taken, t = 45 s

We need to find their average velocity. Average velocity of an object is given by total distance divided by total time taken.

$v=\dfrac{d}{t}\\\\v=\dfrac{72\ m}{45\ s}\\\\v=1.6\ m/s$

So, their average velocity is 1.6 m/s.

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3 years ago

A geocentric system

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A geocentric system is a part of the astronomical theory which describes the universe. Meaning that it puts the Earth in the CENTER of the universe as a point of view for other objects surrounding it.

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3 years ago

Pluto was first discovered in 1930.It was determined to be located about 39.48 times as far away from the Sun as Earth is. How l

Mice21 [21]

Answer:

It takes total 248 years for Pluto to orbit the sun.

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2 years ago

Two long, parallel wires are separated by a distance of 2.2 cm. The force per unit length that each wire exerts on the other is

VikaD [51]

Answer:

$i_2 = 7.6 A$

Explanation:

As we know that the force per unit length of two parallel current carrying wires is given as

$F = \frac{\mu_o i_1 i_2}{2\pi d}$

here we know that

$F = 3.6 \times 10^{-5} N/m$

$i_1 = 0.52 A$

d = 2.2 cm

now from above equation we have

$3.6 \times 10^{-5} = \frac{4\pi \times 10^{-7} (0.52)(i_2)}{2\pi (0.022)}$

$3.6 \times 10^{-5} = 4.73 \times 10^{-6} i_2$

$i_2 = 7.6 A$

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2 years ago

Give two example of conditions when two objects (Object A=1 kg and Object B =10 kg) would have the same momentum.

bearhunter [10]

Answer:

they can have the momentum if only they are been divided by another number to see the difference

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2 years ago