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butalik [34]
3 years ago
8

Using the periodic table, determine which element these characteristics MOST LIKELY describe.

Physics
1 answer:
Zepler [3.9K]3 years ago
8 0

Answer: A) F

B) I

C) O

D) Na

Explanation: not sure if this is what ur asking for but those are the symbols

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Whenever light goes from transparent to another medium or from rarer to denser medium or vice versa, it's speed changes and hence light bends.
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An object moves at a constant speed of 6m/s. this means that the object​
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Answer:

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Explanation:

5 0
4 years ago
Dan is gliding on his skateboard at 4.00m/s . He suddenly jumps backward off the skateboard, kicking the skateboard forward at 6
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To solve this problem we will apply the concepts related to the conservation of the Momentum. For this purpose we will define the momentum as the product between mass and velocity, and by conservation the initial momentum will be equal to the final momentum. Mathematically this is,

m_1u_1+m_2u_2 = m_1v_1+m_2v_2

Here,

m_{1,2} = Mass of Dan and Skateboard respectively

u_{1,2} = Initial velocity of Dan and Skateboard respectively

v_{1,2} = Final velocity of Dan and Skateboard respectively

Our values are:

Dan's mass

m_1 = 60kg

Mass of the skateboard

m_2 = 7.0kg

Both have the same initial velocity, then

u_1= u_2 = 4m/s

Final velocity of Skateboard is

v_2 = 6m/s

Rearranging to find the final velocity of Dan we have then,

m_1u_1+m_2u_2 = m_1v_1+m_2v_2

m_1v_1+m_2v_2 = (m_1+m_2)u_1

v_1 = \frac{ (m_1+m_2)u_1 -m_2v_2}{m_1}

Replacing,

v_1 = \frac{(60+7)(4)-(7)(6)}{60}

v_1 = 3.76m/s

Therefore Dan will touch the ground at a speed of 3.76m/s

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4 years ago
Gold has 118 neutrons. If a gold atom were to lose a neutron, what would happen?
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Answer:

answer is B! if it adds one it becomes platinum and if it loses one it becomes mercury.

6 0
3 years ago
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