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nataly862011 [7]
3 years ago
7

If the action force is a player kicking a soccer ball, then what is the reaction force?

Physics
1 answer:
LiRa [457]3 years ago
4 0
The force acting on his feet.
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What is noble gases<br>​
Marysya12 [62]

Answer:

helium, neon, argon,krypton, xenon, and radonoccupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.

6 0
3 years ago
A hockey puck is pushed by a stick with a force of 750 newton’s. the puck tracked 2.0 meters in 0.30 seconds. how powerful is th
Anit [1.1K]
Work= force x distance
work= 750 x 2
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power =work/time
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answer: b. 5000W
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A positive point charge Q is located at x=a and a negative point charge −Q is at x=−a. A positive charge q can be placed anywher
Scilla [17]

Answer:

\vec{F}_x = \frac{2KQqa}{(a^2 + y^2)^{3/2}} \^x

Explanation:

The Coulomb's Law gives the force by the charges:

\vec{F} = K\frac{q_1q_2}{r^2}\^r

Let us denote the positon of the charge q on the y-axis as 'y'.

The force between 'Q' and'q' is

F_1 = K\frac{Qq}{x^2 + y^2}\\F_1_x = F_1\cos(\theta)

where Θ is the angle between F_1 and x-axis.

F_1_x = K\frac{Qq}{x^2 + y^2}(\frac{x}{\sqrt{x^2 + y^2}}) = \frac{KQqa}{(a^2 + y^2)^{3/2}}

whereas

F_2_x = K\frac{-Qq}{a^2 + y^2}(-\frac{a}{\sqrt{a^2 + y^2}}) = \frac{KQqa}{(a^2 + y^2)^{3/2}}

Finally, the x-component of the net force is

\vec{F}_x = \frac{2KQqa}{(a^2 + y^2)^{3/2}} \^x

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Question 2 (2 points)<br> Practice tests are available online.<br> True<br> False<br> K12
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True usally quizlet teachers get there work from there
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Compare and contrast angular momentum and linear momentum.
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Angular momentum is a property of objects which are changing the angle of their position vector with respect to a reference point.

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3 years ago
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