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2 years ago

HELP PLEASE

1 answer:

lisabon 2012 [21]2 years ago

5 0

Sustainable buildings are generally less expensive over the lifetime of the building, due to lower energy costs in production of the materials and lower energy bills. Option A is correct.

<h3>What is sustainable buildings? </h3>

Sustainable buildings refer to both a structure and the implementation of environmentally responsible and resource-efficient methods.

Sustainable buildings are generally less expensive over the lifetime of the building, due to lower energy costs in production of the materials and lower energy bills,

Hence,option A is correct.

To learn more about the sustainable buildings, refer;

brainly.com/question/8434592

#SPJ1

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10 advantages of friction

kogti [31]

Answer:

1. it helps to change the direction.

2. it helps us to walk on ground.

3. it helps the vechils to break while moving.

4. helps in changing one form of enegry to another form. eg when we rub our hands we feel heat energy.

5. it opposites the force.

6. it helps us to change shape of objects.eg we roll the dough to make it roti.

7. it changes the state of body from rest motion.eg when we push any obj from inclined plane it moves.

i all know is just 7..

5 0

3 years ago

Which physical property is shown by scratching one material with another

lina2011 [118]

The hardness
nail or fingernail

3 0

3 years ago

Read 2 more answers

An electron experiences a downward force of 12.8×10-19 N while traveling in a magnetic field of 8×10-5 T west, what is the magni

SashulF [63]

Answer:

$v=10^5\ m/s$

Explanation:

Given that,

Magnetic force acting on an electron, $F=12.8\times 10^{-19}\ N$

The magnitude of the magnetic field, $B=8\times 10^{-5}\ T$

We need to find the magnitude of the velocity. We know that the magnetic force is given by :

$F=qvB$

Where

v is the velocity

So,

$v=\dfrac{F}{qB}\\\\v=\dfrac{12.8\times 10^{-19}}{1.6\times 10^{-19}\times 8\times 10^{-5}}\\\\v=10^5\ m/s$

So, the magnitude of velocity is $10^5\ m/s$ .

4 0

2 years ago

What would happen to the brightness of the bulbs if the switch was opened

jeka57 [31]

When the switch is open then no current can flow, on the other hand, when it is closed, current will pass through. When only “bulb a” is connected to the battery then more current is flowing to “bulb a” causing it to be bright. So the light of “bulb a” will be dimmer.

6 0

2 years ago

A solenoid of length 0.700 m having a circular cross-section of radius 5.00 cm stores 6.00 µJ of energy when a 0.400-A current r

Lorico [155]

Answer:

N/l = 104

Explanation:

Energy stored in the inductor is given by the formula

$U = \frac{1}{2}Li^2$