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Artist 52 [7]
3 years ago
6

Amy is holding one end of a jump rope. Her friend Beth is holding the other end of the rope. Amy swiftly moves the handle of the

jump rope downward, creating a large wave in the rope.
Will Beth feel a tug on the rope at her end?
Physics
2 answers:
Anuta_ua [19.1K]3 years ago
6 0
Yes Beth will feel a tug on the rope at her end! :D
Umnica [9.8K]3 years ago
3 0
Yes. If a downward force is created, it will be felt at the end of the rope as well.

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A man weighing 800 newtons is standing on a chair. In order to support the man, the chair is exerting a force of.
san4es73 [151]

The chair is exerting a force of 800N.

Force is a quantity that is used to describe the interaction between two objects. Forces can cause objects to accelerate, decelerate, or change direction. In other words, forces can cause objects to move or change the way they are moving. The weight of an object is a measure of the force of gravity on that object and is calculated by multiplying the object's mass by the acceleration due to gravity.

In the given case, It would need a force equal to his weight (800 N) pressing in the opposite direction for the man to be able to rise up in the chair. Therefore, the 800 N force would be pushed upwards if he were to press down by standing on it.

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10 months ago
What is the formula for finding net force?
lubasha [3.4K]

Answer:

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7 0
3 years ago
Which of the following correctly describes the importance of demonstrations to a scientific investigation?
nexus9112 [7]
The answer is D. Scientists often use models to show how something works
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An AC source with an output rms voltage of 27.0 V at a frequency of 60.0 Hz is connected across a 12.2-µF capacitor. (a) Find th
gulaghasi [49]

Answer:

Explanation:

a) capacitive reactance Xc = 1/2πfC

f is the frequency of the AC source

C is the capacitance of thw capacitor

Given f = 60.0Hz

C = 12.2-µF

C = 12.2 × 10^-6Farads

Xc = 1/2π×60×12.2×10^-6

Xc = 1/0.004599

Xc = 217.44ohms

b) Using the formula Vrms = IrmsXc Vrms

Irms = Vrms/Xc

Irms = 27.0/217.44

Irms = 0.124Amperes

c) Since Irms = Im/√2

Where Im is the maximum current

Im = Irms×√2

Im = 0.124× √2

Im = 0.088A

d) No, the capacitor has no charge when the current is at maximum.

6 0
3 years ago
Does a negative acceleration mean necessarily that something is slowing? explain please
Vera_Pavlovna [14]
Yes, because imagine a car, as it races it has a positive acceleration. So imagine the car going faster, and at the point it is at and imagine it slowing down. Compared to its previous speed is it a positive or negative acceleration (after it slowed down)?
Negative.
this is because its speed is decreasing. When anything is decreasing it is negative.
In other words its speed is decreaseing meaning its having a negative acceleration
8 0
3 years ago
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