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german
3 years ago
14

Name and explain all the laws made by Newton on motion ​

Physics
2 answers:
Yuki888 [10]3 years ago
6 0

Answer:

first; An object will continue in it's State of rest or uniform motion unless being acted upon by an external Force

second; The force acting on a body is directly proportional to the product of the mass and acceleration.

third; all actions will have an equal and corresponding reaction.

Explanation:

are you okay with that?

Maurinko [17]3 years ago
5 0

Newton's First Law:-

It states that Every Body continues to be in it states of rest or of uniform motion in a straight line unless compelled by some external force to act otherwise.

Newton's second law:-

The rate of change of momentum of a body is directly proportional to the applied force and it takes place in the direction in which the force acts .

Mathematically

\\ \ast\sf\hookrightarrow F=ma

Newton's Third Law:-

To every action there is always an equal and opposite reaction.

\\ \ast\sf\hookrightarrow F_{AB}=-F_{BA}

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In these chemical equations, each of the letters J through M represents a different element. Which equation is balanced?
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Answer:

D. 2JK3 + 3L2M --> 6LK + J2M3

Explanation:

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3 years ago
In the form of radioactive decay known as alpha decay, an unstable nucleus emits a helium-atom nucleus, which is called an alpha
trapecia [35]

Answer:

Velocity will be v=4.06\times10^7m/sec

Explanation:

We have given mass of alpha particle m = 4 u =4\times 1.67\times 10^{-27}kg=6.68\times 10^{-27}kg

Charge on alpha particle q=2e=2\times 1.6\times 10^{-19}C=3.2\times 10^{-19}C

Charge on thorium particle =90\times 1.6\times 10^{-19}=144\times 10^{-19}C

Diameter is given as d = 15 fm

So radius r=\frac{d}{2}=\frac{15}{2}=7.5fm=7.5\times 10^{-15}m

Potential energy is given by E=\frac{1}{4\pi \epsilon _0}\frac{q_1q_2}{r}=\frac{Kq_1q_2}{r}=\frac{9\times 10^9\times 144\times 10^{-19}\times 3.2\times 10^{-19}}{7.5\times 10^{-15}}=5.529\times 10^{-12}J

From energy conservation \frac{1}{2}mv^2=5.529\times 10^{-12}

\frac{1}{2}\times 6.68\times 10^{-27}v^2=5.529\times 10^{-12}

v=4.06\times10^7m/sec

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3 years ago
Why do the star constellations seem to move across the sky
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Answer: These apparent star tracks are in fact not due to the stars moving, but to the rotational motion of the Earth. As the Earth rotates with an axis that is pointed in the direction of the North Star, stars appear to move from east to west in the sky.

Explanation: why do the star constellations seem to move across the sky

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An ideal refrigerator does 240 J of work to remove 610 J as heat from its cold compartment. (a) What is the refrigerator's coeff
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Explanation:

It is given that,

Work done, W = 240 J

Heat removed, Q = 610 J

(a) The refrigerator's coefficient of performance is given by :

COF=\dfrac{Q}{W}

COF=\dfrac{610}{240}

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(b) Let Q' is the heat per cycle is exhausted to the kitchen. It is given by :

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Hence, this is the required solution.

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4 years ago
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