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Westkost [7]
3 years ago
9

SOHCAHTOA MATH REVIEW Find the angle x from the diagram above

Physics
1 answer:
mestny [16]3 years ago
5 0

Explanation:

Hey there!

Here,

It is a Right angled triangle.

Now, Taking angle x as a reference angle.

We get,

perpendicular (p) = 24.

Hypotenuse (h) = 29.

Using sin ratio we get.

\sin( \alpha )  =  \frac{p }{h}

Now, keep values and simplify them.

\sin(x)  =  \frac{24}{29}

sinx = 0.8275.

x =  { \sin }^{  - 1}  (0.8275)

Therefore the value of x is 55.842°. Or 55°.

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

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When a 4-μf capacitor has a potential drop of 20 v across its plates, how much electric potential energy is stored in this capac
Genrish500 [490]

Thew energy stored in a capacitor of capacitance C and voltage between the plates V is

E=\frac{1}{2} CV^2.

Substituting numerical value

E=\frac{1}{2}(4*10^{-6}) (20)^2\\ E=800\; \mu J

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4 years ago
The Bill and Melinda Gates Foundation hires you as a consultant to determine how best to use $20 billion to save the world and m
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3 years ago
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0.8 mj of energy are used by a blender in 3 and a half minutes what is the power rating on the blender
solong [7]

Answer:

   Power rating on the blender = 3809.52 Watts

Explanation:

   We have expression for power equal to ratio of work and time,

   Energy used by blender = Work done by electricity = 0.8 MJ = 0.8*10^6J=800000J

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   Power rating on the blender = 3809.52 Watts

5 0
4 years ago
Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 45.0 mL. The first bulb has a volu
kipiarov [429]

Answer:

The final pressure of the whole system is 34.80 atm.

Explanation:

Given that,

Volume = 45.0 ml

Volume of first bulb = 77.0 mL

Pressure  = 8.89 atm

Volume of second  bulb = 250 mL

Pressure = 2.82 atm

Volume of third  bulb = 21.0 mL

Pressure = 8.42 atm

We need to calculate the final pressure of the whole system

Using formula of pressure

P_{1}V_{1}+P_{2}V_{2}+P_{3}V_{3}+P_{t}V_{t}=P_{f}V_{f}

Where, P_{1}= pressure of first bulb

P_{2}= pressure of second bulb

P_{3}= pressure of third bulb

P_{4}= initial pressure of tube

V_{1}= Volume of first bulb

V_{2}=Volume of second bulb

V_{3}= Volume of third bulb

V_{4}= Initial volume of tube

Put the value into the formula

8.89\times77.0+250\times2.82+21.0\times8.42+0=P_{f}\times45

P_{f}=\dfrac{1566.35}{45}

P_{f}=34.80\ atm

Hence, The final pressure of the whole system is 34.80 atm.

4 0
3 years ago
What is the velocity of a car that travelled a total of 75 km north in 1.5 hrs?
AURORKA [14]
V=d*t
Since d=75km=75000m
t=1.5h=3600*1.5= 5400s
=>V=75000*5400
=405000000m/s=4.05*10^8m/s
3 0
4 years ago
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