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Salsk061 [2.6K]
2 years ago
11

An office building has a 24-volt branch circuit installed for landscape lighting around the front of the building. The circuit w

as installed in UF cable which requires a minimum burial depth of ___ inches for this circuit.
Physics
1 answer:
Arturiano [62]2 years ago
5 0

The circuit was installed in UF cable which requires a minimum burial depth of 6 inches for this circuit.

<h3>UF cable</h3>

UF cable is used as an underground feeder cable to distribute power from an existing building to outdoor equipment. UF cable can also be used as direct burial cable.

For the 24-volt branch circuit installed, the minimum burial depth will be 6 inches.

Thus, the circuit was installed in UF cable which requires a minimum burial depth of 6 inches for this circuit.

Learn more about UF cable here: brainly.com/question/8591560

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Imagine two billiard balls on a pool table. Ball A has a mass of 7 kilograms and ball B has a mass of 2 kilograms. The initial v
olga_2 [115]
A) the final velocity = 66/9 m/s.
b) The total momentum before and after collision is the same because energy is destroyed or made.
Thanks brainly. <span />
7 0
3 years ago
The nuclear equation is incomplete.<br><br><br>What particle completes the equation?​
Romashka-Z-Leto [24]

Answer:

_{6}^{12} C

Explanation:

_{1}^{1}H+_{7}^{15}N --->    _{6}^{12} C+ _{2}^{4}He

1+7 = 6+2 =8 -protons

1+15 = 12+4 = 16 -  protons +neutrons

3 0
3 years ago
Question#7:a) A television uses 1500J of electric energy to produce 1100J 1 point
Vesnalui [34]

Answer:

a.73.3%

b.26.6%

Explanation:

a. The efficiency is the energy output, divided by the energy input, and expressed as a percentage.

#Given the energy input as 1500J and the subsequent output as 1100J, the TV's efficiency is calculated as:

<em />\eta=\frac{E_o}{E_i}\\\\=\frac{1100}{1500}\times 100\%\\\\=73.33\%<em />

Hence, the TV has an efficiency of 33.3%

b. From a above, we know that the TV has an output of 1100J and input of 1500J.

-We therefore calculate it's wastage as the difference between output and input:

<em>Wastage=Energy Input-Energy Output=1500J-1400J=400J</em>

<em />E_w=\frac{E_{wasted}}{E_i}\times 100\%\\\\=(400/1500)\times100\%\\\\=26.67\%<em />

Hence, the TV has wasted of 26.6%

4 0
3 years ago
The waves that heat a cup of water in the microwave are an example of electromagnetic waves. True or False
Oksana_A [137]

That's true.

They're radio waves, at the frequency of 2.45 GHz (in all microwave appliances manufactured in the US).

5 0
3 years ago
Find mass when kinetic energy is 1.6 J and velocity is 0.2 m/s
klio [65]

Answer:

4kg

Explanation:

Given parameters:

Kinetic energy  = 1.6J

Velocity  = 0.2m/s

Unknown:

Mass of the body = ?

Solution:

The kinetic energy of a body is the energy due to the motion of the body.

It is mathematically expressed as;

  Kinetic energy = \frac{1}{2}  m v²

m is the mass

v is the velocity

          1.6  =  \frac{1}{2}  x 0.2 x v²  

          1.6  = 0.1v²

         v²   = 16

          v  = 4kg

5 0
3 years ago
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