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V125BC [204]
3 years ago
10

Match the correct term with the definition

Physics
2 answers:
prohojiy [21]3 years ago
7 0
Hey there!!
see answer in attachment.

ki77a [65]3 years ago
4 0

1. Atomic Mass - protons + neutrons in the nucleus of an atom

2. Neutron - the neutrally charged element in the nucleus of an atom

3. Atomic Number - the number of protons an atom has

4. Proton - the positive particle in the nucleus of an atom

5. Isotope - an atom of an element that has a different number of neutrons that the standard atom of that element

Hope This Helps!

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Define projectile in your own .​
lorasvet [3.4K]

Answer:

a body which was thrown in space ,moves under the influence of gravity only is defined as projectile.

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How do you do this question? Please include free body diagrams and clear explanation, so I can understand.
vagabundo [1.1K]

Explanation:

Draw a free body diagram for each disc.

Disc A has three forces acting on it: 86.5 N up, T₁ down, and Wa down.

∑F = ma

86.5 N − T₁ − Wa = 0

Wa = 86.5 N − T₁

ma × 9.8 m/s² = 86.5 N − 55.6 N

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Disc B has three forces acting on it: T₁ up, T₂ down, and Wb down.

∑F = ma

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mb × 9.8 m/s² = 55.6 N − 36.5 N

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Disc C has three forces acting on it: T₂ up, T₃ down, and Wc down.

∑F = ma

T₂ − T₃ − Wc = 0

Wc = T₂ − T₃

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Disc D has two forces acting on it: T₃ up and Wd down.

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3 years ago
Gasoline burns in the cylinder of an automobile engine. During the combustion reaction, the production of gas forces the piston
serg [7]

Answer:

\Delta U = 1640 J

Explanation:

As we know by first law of thermodynamics that for ideal gas system we have

Heat given = change in internal energy + Work done

so here we will have

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also we know that work done by the system is given as

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so we have

\Delta U = Q - W

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Answer each friend will get 3.33333 repeating if he is included. if only his friends are getting them then each one gets 4

Explanation:

devide 20/6 and 20/5 respectively.

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Why is it important to know the direction of the force applied to a moving object and the direction in which the object is movin
ELEN [110]
C is correct.  The work-force relation is given by W=F·d, where F is force vector, and d is the displacement vector.  The dot is the dot product, which is a measure of how parallel the two vectors are.  It can be restated as the product of two vector magnitudes times the cosine of the angle between them.  Therefore work is a scalar, not a vector, since the dot product returns a scalar.  
W=Fdcos(\theta)
3 0
3 years ago
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