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zaharov [31]
3 years ago
15

Que distancia se desplaza un objeto que se mueve con velocidad de 72km/h durante 10 min?

Physics
1 answer:
Allushta [10]3 years ago
4 0

Answer:

I would love to help, Could you put the question in English?

Explanation:

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2 equal charges, 27 micro Coulomb each, are separated by 5 cm. Find force between those.
padilas [110]

Answer:

The force between charges is  F= 2.624*10^3N.

Explanation:

The Coulomb force F between the two charges q_1 and q_2 separated by distance d is given by the equation

F = k\dfrac{q_1q_2}{d^2}

where k is the coulombs constant, and has the value

k= 9*10^9N\cdot C\cdot m^2.

Now in our case

q_1=q_2=27\mu C =27*10^{-6}C

and

d= 5cm =0.05m,

therefore, the Coulomb force between the charges is

F =( 9*10^9N\cdot C\cdot m^2)*\dfrac{(27*10^{-6}C)(27*10^{-6}C)}{(0.05m)^2}

\boxed{ F= 2.624*10^3N}

3 0
3 years ago
What type of motor operates at a constant steady-state speed regardless of the load?
LekaFEV [45]
The type of motor that allows for constant speed regardless of load are called Geared Speed Control motors. This type of motor has a tachometer feedback device attached at the rear of the motor that gives constant feedback to the speed controller giving the advantage of constant speed regardless of load. The tachometer allows for varied frequency delivery to the motor to maintain pre-set output speed.
7 0
3 years ago
the fireman wishes to direct the flow of water from his hose to the fire at b. determine two possible angles u1 and u2 at which
Lelechka [254]

The two possible angles obtained by using the qudratic equation are;

θ_{1} = 15.10° and θ2 = 73.51°

Given, speed of water = v_{A} = 50ft/s

For the motion along x direction, time period can be calculated as follows:

s_{x} = (v_{A}) _x_{} } t

35 = (50 × cosθ) t

t = 0.64 / cosθ

For the motion in y direction, an equation can be obtained as follows:

s_{y} = (v_{A})_{y}  t +\frac{1}{2} (a_{y} )t^{2}

s_{y} = (-v_{A}sinθ) }  t +\frac{1}{2} (a_{y} )t^{2}

Plugging in the values we get:

-20 = (-50_sinθ) }  t +\frac{1}{2} (-32.2} )t^{2}

-20 = -32tanθ - 10.304sec^{2}θ

Upon solving the above quadratic equation, we get,

tanθ = 0.27 , -3.38

Therefore,

tanθ_{1} = 0.27

θ_{1} = 15.10°

and, tanθ_{2} = -3.38

θ_{2} = 73.51

Learn more about quadratic equation here:

brainly.com/question/17177510

#SPJ4

8 0
1 year ago
Examples of positive effects of fluid forces<br><br><br> note: and pls I don't want the definition
densk [106]

Answer:

slider,topspin,hook,curveballs

4 0
3 years ago
Read 2 more answers
Scientists are able to use body waves to determine what makes up the different layers of the Earth's interior. What characterist
k0ka [10]

Answer:

P-waves travel through liquids and solid while S-waves only travel through solids.

Explanation:

Scientists are able to use the fact that P-waves travel through both solids and liquids and waves travel through only solids to determine what makes the different layers of the Earth.

5 0
2 years ago
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