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Katena32 [7]
3 years ago
5

A 1.5 kg tether ball is hit so that it circles the pole with an angular speed of 4m/s

Physics
1 answer:
My name is Ann [436]3 years ago
5 0

Well, you didn't ask a question, and 4 m/s is not an angular speed.
So all I can offer is a couple of observations:

1). The tension in the rope is

      M V² / R  =  (1.5 kg) x (4 m/s)² / R

                     =  (24 kg-m²/s²) / (distance of the ball from the pole).

2).  Tetherball was the only thing I played at camp,
       more than 60 years ago, and I loved it !
       It was a tough game, because we had to skin
       our own T.Rex and use his hide to make the ball
       and his guts for the rope. 
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miskamm [114]

<u>Answer:</u>

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<em>2. A sugar solution with a concentration of 200g/100mL of water at 40°C: </em>The sugar solution with a given concentration is saturated at this temperature. As the temperature increases the solution will more dissolves.

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7 0
3 years ago
A wire carrying a 29.0 A current passes between the poles of a strong magnet such that the wire is perpendicular to the magnet's
Dmitrij [34]

Answer:

2.59 T

Explanation:

Parameters given:

Current flowing through the wire, I = 29 A

Angle between the magnetic field and wire, θ = 90°

Magnetic force, F = 2.25 N

Length of wire, L = 3 cm = 0.03 m

The magnetic force, F, is related to the magnetic field, B, by the equation below:

F = I * L * B * sinθ

Inputting the given parameters:

2.25 = 29 * 0.03 * B * sin90

2.25 = 0.87 * B

=> B = 2.25/0.87

B = 2.59 T

The magnetic field strength between the poles is 2.59 T

4 0
3 years ago
Look at the variables for this lab. Which variable would we have to change in order to change the amount of current flowing thro
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Where are the variables from the lab?
3 0
2 years ago
A constant force of 11.8 N in the positive x direction acts on a 4.7-kg object as it moves from the origin to the point (1.6i –
zhenek [66]

Answer:

W = 18.88 J

Explanation:

Given that,

Constant force, F = 11.8 N (in +x direction)

Mass of an object, m = 4.7 kg

The object moves from the origin to the point (1.6i – 4.6j) m

We need to find the work is done by the given force during this displacement. The work done by an object is given by the formula as follows :

W=F{\cdot} d\\\\W=(11.8i){\cdot} (1.6i-4.6j)\\\\=11.8\times 1.6\\\\=18.88\ J

So, the work done by the given force is 18.88 J.

5 0
2 years ago
Which of the following is an electromagnetic wave?
morpeh [17]
Your answer will be Radio Waves . 

That seems to be the only to make sense. Hope that helps u 
5 0
3 years ago
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