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Marina86 [1]
4 years ago
6

What is the most appropriate SI unit to express the speed of a cyclist in a 10-km race?

Physics
2 answers:
Tatiana [17]4 years ago
5 0
Your answer should be A.km/s does s mean speed?
GREYUIT [131]4 years ago
4 0
Im pretty sure it's C.
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Answer:

It helps us to know or be aware of some things that happen regular and teaches us about laws that guide us

8 0
4 years ago
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A certain electric furnace consumes 24 kw when it is connected to a 240-v line. what is the resistance of the furnace?
weeeeeb [17]

One very handy electrical formula is

Power dissipated by a resistance = (Voltage)²/(resistance) .

24 kilowatts = (240 v)² / Resistance

Multiply each side by (Resistance):

(Resistance) x (24 kilowatts) = (240 v)²

Divide each side by (24 kilowatts):

Resistance = (240 v)² / (24,000 watts)

Resistance = (57,600 / 24,000) (volt² / volt · Amp)

Resistance = 2.4 (volt/Amp)

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3 0
3 years ago
When the system pressures are lower than the pressure in the refrigerant tank, such as when the system has just been evacuated o
steposvetlana [31]

Answer: True

Explanation:

It should be noted that when refrigerant is added in vapor form to the operating refrigeration system, then the addition of the refrigerant should be to the low-pressure side of the refrigeration system.

Furthermore, when system pressures are lower than the pressure in the refrigerant tank as stated in the question, then the refrigerant can be added to both the high and low pressure sides of the system.

Therefore, the correct option is true.

5 0
3 years ago
Calculate the wave speed i the wavelength =64m and the wave period = 4s
Marina86 [1]
To do this you would take 64 and divide it by 4.
64/4= 16. 
Your answer is 16.
8 0
3 years ago
What is the density of a 200 gram mass whose volume is 300 cm?
inn [45]

Answer:

0.667 grams per cm cubed

Explanation:

the formula for density is mass divided by volume

5 0
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