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ale4655 [162]
3 years ago
8

Which of the following is not true for atoms?

Physics
2 answers:
Rzqust [24]3 years ago
7 0
The first one.  They are not made of elements.  They are elements
Yakvenalex [24]3 years ago
5 0
The first one because the element can't make of element
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Fill in the blanks HELP ASAP
Alexandra [31]

checking to see if im locked out

7 0
3 years ago
Which does a reference point provide
mr_godi [17]
Point of reference - an indicator that orients you generally; "it is used as a reference for comparing the heating and the electrical energy involved"
5 0
3 years ago
Two charged particles are a distance of 1.82 m from each other. One of the particles has a charge of 7.52 nC, and the other has
elena55 [62]

Answer:

(a) F=9.10*10^{-8}N

(b) The force is repulsive

Explanation:

a) According to Coulomb's law, the magnitude of the electrice force that one particle exerts on the other is defined as:

F=\frac{kq_1q_2}{d^2}

Here k is the coulomb constant, q_1 and q_2 are the signed magnitudes of the charges and d is the distance between them.

F=\frac{8.99*10^{9}\frac{N\cdot m^2}{C^2}(7.52*10^{-9}C)(4.46*10^{-9}C)}{(1.82m)^2}\\F=9.10*10^{-8}N

b) According to Coulomb's law, if the two charges have the same sign, the electrostatic force between them is repulsive.

5 0
4 years ago
Two astronauts are working on the lunar surface to install a new telescope. The acceleration due to gravity on the moon is only
nydimaria [60]

Answer:

Its velocity and acceleration are both nonzero.

Explanation:

The path of the wrench is trajectory while the acceleration due to Moon's gravity is acting on it.

As the velocity follows the path, as soon as it reaches maximum height, the vertical component of velocity is zero but the horizontal component is still there, constant.

3 0
3 years ago
What is the minimum number of 100 Ohm resistors that you need to design an effective resistor with 275 Ohm resistance.
jekas [21]

Answer:

The minimum number of 100 Ω resistors that i need to design an effective resistor with 275Ω resistance are 8 resistors.

Explanation:

(2 Resistors of 100Ω in parallel) in <u>series with</u> (4 resistors of 100Ω in parallel) in <u>series</u> with 2 resistors of 100Ω.

2 resistors in parallel of 100Ω = 50Ω

+

4 resistors in parallel of 100Ω = 25Ω

+

2 resistors in series of 100 2Ω = 200Ω

=

275Ω

6 0
3 years ago
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