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inn [45]
3 years ago
15

What is the volume for a cabinet that measures 1.20m by 5m by 75cm

Physics
1 answer:
zavuch27 [327]3 years ago
5 0

Answer:

45000cm2(cuarenta y cinco mil centimetros al cuadrado).

Explanation:

porque el volumes es igual a el área de la base por la altra

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If the total charge on a rod of length 0.4 m is 2.6 nc, what is the magnitude of the electric field at a location 3 cm from the
Nana76 [90]
Let the rod be on the x-axes with endpoints -L/2 and L/2 and uniform charge density lambda (2.6nC/0.4m = 7.25 nC/m). 

The point then lies on the y-axes at d = 0.03 m. 

from symmetry, the field at that point will be ascending along the y-axes. 


A charge element at position x on the rod has distance sqrt(x^2 + d^2) to the point. 

Also, from the geometry, the component in the y-direction is d/sqrt(x^2+d^2) times the field strength. 


All in all, the infinitesimal field strength from the charge between x and x+dx is: 


dE = k lambda dx * 1/(x^2+d^2) * d/sqrt(x^2+d^2) 


Therefore, upon integration, 


E = k lambda d INTEGRAL{dx / (x^2 + d^2)^(3/2) } where x goes from -L/2 to L/2. 


This gives:


E = k lambda L / (d sqrt((L/2)^2 + d^2) ) 


But lambda L = Q, the total charge on the rod, so 


E = k Q / ( d * sqrt((L/2)^2 + d^2) )
3 0
3 years ago
A string of length 0.6 M is vibrating at 100 Hz and its second harmonic and producing sound that moves at 340 m/s. What is true
Cloud [144]

Answer: the answer is B

Explanation: I just took the quiz :)

6 0
3 years ago
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In deciding whether to use a technology, people must analyze
butalik [34]
In deciding whether to use a technology, people must analyze the good effects and the bad effects of using a certain technology. People should weigh the consequences well. In deciding, it should be kept in the mind that the goal of using something should benefit people in a good way.
8 0
3 years ago
A roller coaster car of mass m = 300 kg is released from rest at the top of a 60 m high hill (position A), and rolls with a negl
Triss [41]

Answer:

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Answer:

According to studies, the milky way is approximately, "170,000–200,000 light-years (52–61 kpc) in diameter and, on average, approximately 1,000 ly (0.3 kpc) thick."

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6 0
2 years ago
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