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Lena [83]
3 years ago
12

A liter is the same as a cubic meter. a. True b. False

Physics
2 answers:
sammy [17]3 years ago
8 0
It is false ...........
Eddi Din [679]3 years ago
3 0

The correct answer is B. False

Explanation:

Liter and cubic meter are two different units mainly used for measuring volume (space occupied by a substance). However, a liter and a cubic meter are equivalent to different amounts of substances. Indeed, one cubic meter is equivalent to 1000 liters, this implies a cubic meter represents a larger volume of a substance than a liter as there are 1000 liters in just one cubic meter. This implies a liter is not the same as a cubic meter as these units measure different volumes.

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If an unknown element has a mass of 17 and contains 6 neutrons, how many protons does it have ?
lbvjy [14]

The mass number is the total number of protons and neutrons within an atom and since we know that the unknown element has 6 neutrons, we can simply subtract the number of neutrons from the mass number to get the number of protons.

17 - 6 = 11

There are 11 protons in this unknown element.


Extra:

The number of protons (+) and electrons (-) are equal in a neutral atom so since you know that there are 11 protons you also know that there are 11 electrons. On the periodic table, the element with 11 electrons is Na or Sodium.


Hope this helps! :)

6 0
3 years ago
Select all that apply. which of the following astronomers supported the sun-centered system? tycho brahe johannes kepler coperni
Alex73 [517]
<h3 />

-Tycho Brahe and

-Ptolemy

<h3 />
  • The sun is a hot ball of glowing gases which is a star whose gravity holds the solar system together and also keeping all the planet and smallest particles of debris in its orbit.
3 0
3 years ago
Read 2 more answers
Look at the advertisement. A poster that reads, "There's more to resistors than resistance. If you're really serious about cost,
ozzi

Options:

universal appeal

flattery

association

bandwagon

Answer: Association

Explanation: Advertisement is a marketing technique through which business organisations utilize the opportunities provided by both the print, electronic and other channels of communication to market a product to the target audience.

Association Advertising is a type of Advertising where certain attributes which have been known to be associated with good and quality products are used to market the products to the target audience.

7 0
3 years ago
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What is the unit of measurement for expressing the intensity of sound
Irina18 [472]
Decibel - the decibel is a relative unit of measurement equal to one 10th of a bel
5 0
2 years ago
Please solve the Problem.
STatiana [176]

(a) For series circuit, current in 14 ohms = current in 72 ohms = 0.698 A

(b) Power loss in each series resistor, 14 ohms = 6.82 W and 72 ohms = 35.1 W.

(c) For parallel circuit, current in 14 ohms = 4.29 A and current in 72 ohms = 0.83 A

(d) Power loss in each parallel resistor, 14 ohms = 257.4 W and 72 ohms = 49.8 W.

<h3>Current in each series resistors</h3>

The total resistance = R1 + R2

                              R = 14 + 72 = 86 ohms

Current = V/R = 60/86 = 0.698 A

Since the resistors are in series, current in 14 ohms = current in 72 ohms = 0.698 A

<h3>Power loss in each series resistor</h3>

P = I²R

P(14 ohms) = (0.698)² x 14 = 6.82 W

P(72 ohms) = (0.698)² x 72 = 35.1 W

<h3>Current in each resistor for parallel arrangement</h3>

Total resistance, 1/R = 1/R1 + 1/R2

1/R = 1/14 + 1/72

1/R = 0.0853

R = 1/0.0853

R = 11.72

Total current in the circuit = V/R = 60/11.72 = 5.12 A

Current in 14 ohms = 60/14 = 4.29 A

Current in 72 ohms = 60/72 = 0.83 A

<h3>Power loss in each parallel resistor</h3>

P = IV

P(14 ohms) = (4.29) x 60 = 257.4 W

P(72 ohms) = 0.83 x 60 = 49.8 W

Learn more about current here: brainly.com/question/24858512

#SPJ1

5 0
2 years ago
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