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daser333 [38]
3 years ago
8

Some people today claim the Earth is flat. Produce an argument to prove that the

Physics
2 answers:
butalik [34]3 years ago
6 0
It’s not flat because how can we be 3D when our planet is flat
olga55 [171]3 years ago
6 0

Answer:

i mean i think it is. we have no real pics of the earth they are all fake. And the moon landing was fake. the usa flag was blowing but there is no wind in space . its all fake

Explanation:

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EleoNora [17]

Answer: V1= 360 V

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A 49.0 kg wheel, essentially a thin hoop with radius 0.730 m, is rotating at 114 rev/min. It must be brought to a stop in 22.0 s
belka [17]

Explanation:

Mass of the wheel, m = 49 kg

Radius of the hoop, r = 0.73 m

Initial angular speed of the wheel, \omega_i=114\ rev/min = 11.93\ rad/s

Final angular speed of the wheel, \omega_f=0

Time, t = 22 s

(a) If I is the moment of inertia of the hoop. It is equal to,

I=mr^2

I=49\times (0.73)^2

I=26.11\ kg-m^2

We know that the work done is equal to change in kinetic energy.

W=\Delta E

W=\dfrac{1}{2}I(\omega_f^2-\omega_i^2)

W=-\dfrac{1}{2}\times 26.11\times (11.93^2)

W = -1858.05 Joules

(b) Let P is the average power. It is given by :

P=\dfrac{W}{t}

P=\dfrac{1858.05\ J}{22\ s}

P =84.45 watts

Hence, this is the required solution.

4 0
3 years ago
A jogger runs 300 meters due east and then turns and runs 500 meters due west.
valentina_108 [34]
It’ll be 200 meters West because 500-300=200 and The west direction has the greatest force you could say ... Anytime you have a question asking about displacement you subtract then use the direction with the greatest number ..
3 0
3 years ago
A car accellerates from 12.0 m/s to 18 m/s in 4 seconds. What distance did it travel in this time?
Alona [7]

Answer:

Just go broom broom on ya teacher

Explanation:

cause why not

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