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2 years ago

Which of these tools is used to measure temperature?

Physics

2 answers:

frozen [14]2 years ago

5 0

The answer is obviously D

Feliz [49]2 years ago

3 0

Answer:

D a thermometer

Explanation: It measures and track Celcius and Feirinheit.

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A boy is whirling a stone around his head by means of a string. The string makes one complete revolution every second, and the t

slega [8]

Answer:

The tension increases to four times its original value.

Explanation:

v = Velocity

r = Radius

m = Mass of stone

The centripetal force is

$F_c=m\dfrac{v^2}{r}$

The tension will balance the centripetal force

$T=m\dfrac{v^2}{r}$

$\\\Rightarrow T\propto v^2$

$\dfrac{T_1}{T_2}=\dfrac{v_1^2}{v_2^2}\\\Rightarrow \dfrac{T_1}{T_2}=\dfrac{v_1}{2^2v_1^2}\\\Rightarrow \dfrac{T_1}{T_2}=\dfrac{1}{4}\\\Rightarrow T_2=4T_1$

The new tension will be 4 times the old tension

5 0

3 years ago

If 3.5 waves have a distance of 42M what is the wavelength of one wave?

docker41 [41]

Answer:

The answer is 12

Explanation:

Just divide 42/3.5

5 0

3 years ago

A dog starts at position x=2.50m, and undergoes a displacement of 8.25m. What is its final position?

Nata [24]

Answer:

Civil law deals with behavior that constitutes an injury to an individual or other private party, such as a corporation. Examples are defamation (including libel and slander), breach of contract, negligence resulting in injury or death, and property damage.

Explanation:

4 0

3 years ago

Read 2 more answers

Why can't I get a new phone

Alenkasestr [34]

Answer:

Idk I think we all ask the question also this question is for sure prob getting deleted just saying now not by me

Explanation:

3 0

2 years ago

Read 2 more answers

A champion athlete can produce one horsepower (746 W) for a short period of time. If a 70-kg athlete were to bicycle to the summ

Sindrei [870]

Answer:

343000 J

Explanation:

P = Power produced by champion = 756 W

h = height gained by the athlete = 500 m

m = mass of the athlete = 70 kg

E = Least amount of energy

Least amount of energy is same as the potential energy gained , So using conservation of energy

Energy spent by athlete = Gravitational potential energy

$E = mgh$

E = (70) (9.8) (500)

E = 343000 J

6 0

3 years ago