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Volgvan
3 years ago
6

The elememt sodium (Na) is a ?

Physics
2 answers:
lorasvet [3.4K]3 years ago
8 0
The atomic number is 11
It is characterized as an alkali metal
it has 11 electrons & protons 
the atomic mass unit is 22.99
luda_lava [24]3 years ago
3 0
It is a very reactive metal with 11 protons ,12 neutrons, 11 electrons, and 1 valence electron
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A 67.0 kg crate is being raised by means of a rope. Its upward acceleration is 3.50 m/s2. What is the force exerted by the rope
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<span>A 67.0 kg crate is being raised by means of a rope. Its upward acceleration is 3.50 m/s2. What is the force exerted by the rope on the crate? 

</span>Newton's Second Law<span> of Motion states, “The force acting on an object is equal to the mass of that object times its acceleration.” We calculate as follows:
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3 years ago
A region of space in which a test charge experiences a force is referred to as
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Answer: The correct answer is- Field.

Explanation -

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3 years ago
a car traveling at a velocity of 2 m/s undergoes an acceleration of 4.5 m/s^2 over a distance of 340 m. How fast will it be goin
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Marta_Voda [28]

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