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Lilit [14]
3 years ago
9

If there is no electric current flowing through a wire then what happens to the magnetic field

Physics
2 answers:
lukranit [14]3 years ago
8 0

There will be no magnetic field if there is no current flowing.

Zinaida [17]3 years ago
7 0
If there is no current in the wire .....the direction of magnetic field remains unchanged
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If 5J of work are done on a spring, compressing it by 12cm, what is the spring constant?
laiz [17]

Answer:

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Explanation:

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3 years ago
1.) an object moves along the x axis, subject to the potential energy shown. The object has a mass of 1.1kg and starts at rest a
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If I'm not wrong #1 should be C
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A satellite in outer space is moving at a constant velocity of 20.5 m/s in the +y direction when one of its on board thruster tu
Katyanochek1 [597]

Answer:

a)  V_f = 25.514 m/s

b)  Q =53.46 degrees CCW from + x-axis

Explanation:

Given:

- Initial speed V_i = 20.5 j m/s

- Acceleration a = 0.31 i m/s^2

- Time duration for acceleration t = 49.0 s

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(a) What is the magnitude of the satellite's velocity when the thruster turns off?

(b) What is the direction of the satellite's velocity when the thruster turns off? Give your answer as an angle measured counterclockwise from the +x-axis.

Solution:

- We can apply the kinematic equation of motion for our problem assuming a constant acceleration as given:

                                   V_f = V_i + a*t

                                   V_f = 20.5 j + 0.31 i *49

                                   V_f = 20.5 j + 15.19 i

- The magnitude of the velocity vector is given by:

                                   V_f = sqrt ( 20.5^2 + 15.19^2)

                                   V_f = sqrt(650.9861)

                                  V_f = 25.514 m/s

- The direction of the velocity vector can be computed by using x and y components of velocity found above:

                                 tan(Q) = (V_y / V_x)

                                 Q = arctan (20.5 / 15.19)

                                 Q =53.46 degrees

- The velocity vector is at angle @ 53.46 degrees CCW from the positive x-axis.

4 0
3 years ago
What's the definition energy?​
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Energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.
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3 years ago
Add me and ill add you back!! you have to bc i just gave you free coins :)​
Rainbow [258]

Answer:

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Explanation:

6 0
3 years ago
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