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choli [55]
3 years ago
5

Whats the temperature -15°F in degrees Celsius?

Physics
2 answers:
goldenfox [79]3 years ago
7 0

Answer:

-26.1111

Explanation:

guajiro [1.7K]3 years ago
5 0

Hello!

The formula for converting Fahrenheit to Celsius can be written as follows:

C = \frac{(F-32)(5)}{9}

Now let’s insert the value provided for Fahrenheit:

C = \frac{((-15)-32)(5)}{9}

Now simplify the numerator:

C = \frac{(-235)}{9}

Now divide:

C = -26.111

We have now proven that -15 degrees Fahrenheit is equal to -26.111 degrees Celsius.

I hope this helps!

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Joey is riding in an elevator which is accelerating upwards at 2.0 m/s2. The elevator weighs 300.0 kg, and Joey weighs 60.0 kg.
vodka [1.7K]

4200 N  is the tension in the cable that pulls the elevator upwards.

The correct option is A.

<h3>What does tension ?</h3>

Tension is the force that is sent through a rope, thread, or wire whenever two opposing forces pull on it. Along the whole length of the wire, the tensile stress pulls equally on all objects at the ends. Every physical object that comes into contact with that other one exerts force on it.

<h3>Briefing:</h3>

We employ the following formula to determine the cable's tension.

Formula:

T = mg+ma............ Equation 1

Where:

T is the cable's tension.

M = Mass of the elevator and the Joey

Accelerating with a

g = Gravitational acceleration

Considering the query,

Given:

m = (300+60) = 360 kg

a = 2 m/s²

g = 9.8 m/s²

Substitute these values into equation 2

T = (360×9.8)+(360×2)

T = 3528+720

T = 4248 N

T ≈ 4200 to the nearest hundred.

To know more about Tension visit:

brainly.com/question/14177858

#SPJ1

7 0
1 year ago
Genetics is the most important factor that affects your physical fitness.<br> a. True<br> b. False
SIZIF [17.4K]
It is False it's about how hard you work
6 0
3 years ago
1
Darina [25.2K]

Answer:

7.5 x 10⁻⁸N

Explanation:

Given parameters:

Mass 1  = 60kg

Mass 2  = 75kg

Distance between the bodies  = 2m

Unknown:

Gravitational fore  = ?

Solution:

The gravitational force between the two bodies can be derived using;

  F  = \frac{G mass 1 x mass 2}{distance^{2} }  

    G is the universal gravitation constant  = 6.67 x 10⁻¹¹m³kg⁻¹s⁻²

Insert the parameters and solve;

  F  = \frac{6.67 x 10^{-11}  x 60 x 75}{2^{2} }   = 7.5 x 10⁻⁸N

3 0
2 years ago
The electric motor in a toy train requires a voltage of 4.9 v. find the ratio of turns on the primary coil to turns on the secon
enyata [817]

So to solve for this problem, this is computed by the following steps:

 

Vp / Vs ( = Np / Ns

Where:

Vp = Voltage Primary

Vs = Voltage Secondary

Np = Turn ratio Primary

Ns = Turn ratio Secondary.

So plugging in our values: <span>
110 / 4.9 = N</span>p / Ns<span>
N</span>p / Ns =22.44, so <span>the answer is 22 coils.</span>

4 0
3 years ago
Select the correct answer.
tester [92]

Answer:

30%

Explanation:

Total profit=$25000

Initial investment=$10000

Return on investment is given by

RoI=(Gain from investment-cost of investment)/cost of investment

RoI=\frac {25000-10000}{10000}\times 100=150%

RoI=150% but since it's over 5 years, we distribute for 5 years hence annual RoI=\frac {150}{5}=30%

Therefore, RoI=30%

8 0
2 years ago
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