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Tatiana [17]
3 years ago
6

Question 11 of 11

Physics
2 answers:
patriot [66]3 years ago
7 0

Answer:

d

Explanation:

VladimirAG [237]3 years ago
6 0

Answer:

D.

Explanation:

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A rockets thruster provides a 300 N force to the right . Air resistance causes a 130 N to the left what is the net force?
mel-nik [20]

Answer:

+300N-130N=170N

Explanation:

because two forces in opposite direction one take +and the other takes -

6 0
3 years ago
Find the vector parallel to the resultant of the vector A=i +4j-2k and B=3i-5j+k​
Zinaida [17]

Answer:

2008

Explanation:

2000+3+5======2008

8 0
3 years ago
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The frequency of light emitted from a source is changed. What visible evidence would indicate this?
Llana [10]
The change of color. Each color has a different wavelength therefore a different frequency.
5 0
3 years ago
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A pump uses a piston of 15 cm diameter that moves at 2.0 cm/s as it pushes a fluid through a pipe. what is the speed of the flui
Nitella [24]
The important point here is that volumetric flow rate in the pump and the pipe is the same.

Q = AV, where Q = Volumetric flow  rate, A = Cross sectional area, V = velocity

Q (pump) = (π*15^2)/4*2 = 353.43 cm^3/s
Q (pipe) = (π*(3/10)^2)/4*V = 0.071V

Q (pump) = Q (pipe)
0.071V = 353.43 => V = 5000 cm/s

Therefore, the flow  of water in the pipe is 5000 cm/s.
4 0
3 years ago
Write down the (real) electric and magnetic fields for a monochromatic plane wave of amplitude E0 , frequency w, and phase angle
jeka57 [31]

Answer:

a) the oscillation of this field is in phase, when the magnetic field goes in the negative direction of y, the elective field goes in the positive direction of the z axis

b) the direction of the magnetic field perpendicular to this electric field and the speed in the negative x the magnetic field goes in the x direction and in the direction (1, - 1.1)

Explanation:

a) the polarization the determined wave oscillates the electric field, which is the z axis

 As the wave travels on the negative x-axis and the magnetic field is perpendicular, this field goes on the positive y-axis

the oscillation of this field is in phase, when the magnetic field goes in the negative direction of y, the elective field goes in the positive direction of the z axis

be) in the case of a polarization in the xi plane the magnetic field must go in the direction of the magnetic field perpendicular to this electric field and the speed in the negative x the magnetic field goes in the x direction and in the direction (1, - 1.1)

3 0
3 years ago
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