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kirza4 [7]
4 years ago
7

Which design will have the highest Kinetic Energy when released? (read the details in the image)

Physics
1 answer:
Dovator [93]4 years ago
3 0

Answer:nevis design because it has the most surface area

Explanation:

because it has the most surface area

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The drum shown in the figure has a radius of 0.40 m and a moment of inertia of 2.3 kg • m2 about an axis perpendicular to it thr
Citrus2011 [14]

The constant force applied to the rope is 7.72 N.

<h3>Net torque on the drum</h3>

The net torque on the drum is calculated as follows;

Fr - F_fr = I \alpha

Linear speed, v = ωr = 23 x 0.4 = 9.2 m/s

distance traveled = 14 m

<h3>Tangential acceleration</h3>

The acceleration of the drum is calculated as follows;

v² = u² + 2as

v² = 0 + 2as

v² = 2as

a = v²/2s

a = (9.2)/2(14)

a = 0.329 m/s²

<h3>Angular acceleration of the drum</h3>

\alpha = \frac{a}{r} = \frac{0.329}{0.4} = 0.82  \ rad/s^2

<h3>Applied force</h3>

The constant force applied to the rope is calculated as follows;

Fr - F_fr = I \alpha\\\\Fr = I \alpha + F_fr\\\\F = \frac{ I \alpha + F_fr}{r} \\\\F = \frac{2.3(0.82) \ + \ 3(0.4)}{0.4} \\\\F = 7.72 \ N

Learn more about net torque here: brainly.com/question/15262027

7 0
2 years ago
Differentiate between earthworm and housefly​
svetlana [45]

Answer:

Earthworm lives in the soil, eats the soil which has organic matter such as decaying vegetation or leaves and crawls. While housefly lives in dirty places, feeds on faeces and flies.

Hope I get a brainliest answer.

5 0
4 years ago
A galvanometer with a resistance of 40.0 ω deflects full scale at a current of 2.0 ma. what resistance should be used with this
kogti [31]
The resistance needed to be added is R
The Current is 2 ma
The voltage reading is a maximum of 50 volts.
The ma meter has an internal resistance of 40 ohms.

Formula
E = I * R

Givens
E = 50
I = 2 ms
R = R + 40

Solution
E = I * R
I = 2 ma [ 1 amp / 1000 ma] = 0.002 amp
50 = 0.002 * (R + 40)  Divide by 0.002
50/0.002 = R + 40
25000 = R + 40 Subtract 40 from both sides.
R = 25000 - 40
R = 24960     Answer

8 0
4 years ago
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¿Cuáles son los fenómenos que no se pueden explicar con la teoría corpuscular de la luz?
maxonik [38]
The answer is diffraction or interference
5 0
3 years ago
Which of the following is NOT a possible cause of a genetic disorder in humans?
DanielleElmas [232]
Im pretty sure the answer is mutations in the DNA of genes because i believe the other 3 are correct 
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4 years ago
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