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puteri [66]
3 years ago
6

Particles q1 = +8.0 °C, 92 = +3.5 uc, and

Physics
1 answer:
WINSTONCH [101]3 years ago
8 0

Answer:

Explanation:

q₁ = 8 x 10⁻⁶ C , q₂ = 3.5 x 10⁻⁶ C , q₃ = -2.5  x 10⁻⁶ C

Force between charge = 9 x 10⁹ x q₁ q₂ / d²

Force on q₁ due to q₂

= 9 x 10⁹ x 8 x 10⁻⁶ x 3.5 x 10⁻⁶  /( .10 )²

= 25.2 N . This force will be negative as it will point towards left ( q₂ will repel q₁ )

Force on q₁ due to q₃

= 9 x 10⁹ x 8 x 10⁻⁶ x 2.5 x 10⁻⁶  /( .15 )²

= 8 N . This force will be negative as it will point towards left ( q₃ will attract  q₁ )

Net force = 25.2 N - 8 N

= 17.2 N .

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A 0.11 kg bullet traveling at speed hits a 18.3 kg block of wood and stays in the wood. The block with the bullet imbedded in it
arlik [135]

Explanation:

The energy of the system before the collision must equal the energy after the collision.

After the collision the bullet and the block have a total mass of 18.41 kg and they move at a speed of 8.8 m/s. The kinetic energy after the collision is

\frac{18.41 kg (8.8 m/s)^2}{2} = 713 J

Before the collision only the bullet has kinetic energy.

So we can now determine the speed of the bullet using

\frac{0.11kg (v^2)}{2} = 713 J\\v = 114 m/s

5 0
3 years ago
A car accelerates at a rate of 8.8 m/s² with a force from the tires of 15,840 N.
dezoksy [38]

Answer:

1,800kg

Explanation:

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F = m x a

15840N = m x 8.8

8.8 x m = 15840

m = 15840/8.8

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2 years ago
At the Equator near Earth’s surface, the magnetic field is approximately 82.2 µT northward and the electric field is about 143 N
IrinaK [193]

Answer:

Magnitude of gravitational force of the electron= 3.74×10^12N

Explanation:

Felectron= Fgravitational

Therefore:

Felectron/Fgravitational = kq^2/r^2 ×(r^2/Gm^2)

= kq^2/Gm^2

Where G= gravitational constant

m = mass of electron=9.1×10^-31

K= 8.9x10^9

q= 1.6×10^-19

Magnitude of gravitational force= (8.9×10^9)×(1.6×10^-19)^2/(6.7×10^-11)×(9.1×10^-31)

=( 2.2784×10^-28) / ( 6.097×10^-41)

= 3.74×10^12N

7 0
3 years ago
Compare an altitude and a median of a triangle
Nesterboy [21]
The best and most correct answer among the choices provided by your question is the first choice.
<span>The altitude of a triangle is the height of the triangle and the median of a triangle intersects each side.</span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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3 years ago
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IgorC [24]

Answer:

What are 3 different scenarios of the Endocrine system and what hormones are used in each? As well as the explanation of what happens in their nervous system with this scenario.

Explanation:

This is random but whatever :) You don't actually have to answer if you don't know or whatever haha

8 0
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