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Leni [432]
3 years ago
11

What does the number or density of field lines on the source charge indicate

Physics
1 answer:
7nadin3 [17]3 years ago
4 0

Answer:

The strength of the field

Explanation:

The density of field lines of a field (e.g. gravitational field, or electric field) indicates the strength or magnitude of the field itself. In particular:

- The regions in which the field lines are closer to each other (more dense) are the regions where the field is stronger

- The regions where the field lines are more spread apart (less dense) are the regions where the field is weaker

For example, if we consider the electric field generated by a positive point charge, the electric field is radial (outwards from the charge) and the spacing between the lines increases as we move away from the charge: this means that the strength of the field increases as we move away from the charge.

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A speed boat travels with a speed of 6 m/s travels directly north to cross a river flowing west with a current traveling at a sp
dedylja [7]

Answer:

6.7 m/s @ 116.6°

Explanation:

Use Pythagorean theorem to find the magnitude:

v² = vx² + vy²

v² = (-3 m/s)² + (6 m/s)²

v = √45 m/s

v ≈ 6.7 m/s

Use trigonometry to find the direction:

θ = atan(vy / vx)

θ = atan(6 m/s / -3 m/s)

θ = atan(-2)

θ ≈ 116.6° from the +x axis, or 63.4° north of west.

6 0
4 years ago
When did they start using the word "Scrubbed" for launches?
VladimirAG [237]

Answer:

Many speculation exists for why the term 'scrubbed' is used in relation to launches. <em>One of these is that during world war II, when the Air force planned bombing raids</em>. These  Air force missions had their briefings done with illustration of the details of the launch and and flight drawn on chalkboards. <em>When some of mission flight takeoffs were canceled (due to bad weather or a malfunction or other reasons) the details were then scrubbed off of the chalkboard</em>. This idea of the mission <em>being scrubbed meaning that it is no longer to be followed through with</em>, proceeded to this modern day rocket and aviation launches.

6 0
4 years ago
What is the mitosis in order?
Sonbull [250]

Answer:

The easy acronym I use to remember this is <u>IPMATC.</u>

Explanation:

Interphase

Prophase

Metaphase

Anaphase

Telophase

Cytokinesis

4 0
3 years ago
A cartoon plane with four engines can accelerate at 8.9 meters per second squared
Tom [10]
The answer is 2728283 69
4 0
3 years ago
What is the magnitude of the displacement of a car that travels half a lap along a circle of radius of 150m?
Lisa [10]
It would be equal to 2r = 2* 150 = 300m
6 0
3 years ago
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