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Vera_Pavlovna [14]
3 years ago
14

A transformer is being built to triple the voltage produced. Which data are collected to investigate whether the transformer can

achieve the goal? (1 point)
A) the ratio of the number of turns in the primary and secondary coils

B) only the number of turns in the secondary coil and the magnetic field of the core

C) only the number of turns in the primary coil and the magnetic field of the core

D) the ratio of the number of turns in the primary and secondary coils and the magnetic field of the core
Physics
1 answer:
nydimaria [60]3 years ago
5 0

Answer:

the ratio of the number of turns in the primary and secondary coils.

Explanation:

hope i'm not too late!!

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After leaving the end of a ski ramp, a ski jumper lands downhill at a point that is displaced 36.0 m horizontally from the end o
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Answer

v = 18.99 m/s

\theta = 33.20^0

Explanation:

given,

displacement = 36 m

velocity = 19 m/s

angle =33.2 °

a) v_x = v cos (\theta)

   v_x = 19 cos (33.2^0)

   v_x = 15.89\ m/s

   v_y = v sin (\theta)

   v_y = 19 sin (33.2^0)

   v_y = 10.40\ m/s

magnitude

   v = \sqrt{15.89^2+10.40^2}

         v = 18.99 m/s

b) direction

         tan \theta = \dfrac{10.40}{15.89}

         \theta = tan^{-1}(0.654)

         \theta = 33.20^0

3 0
3 years ago
Mike wants to build an amplifier. Which technology can he use?
Dafna11 [192]
He most likely can use a generator
5 0
3 years ago
Car A is traveling at 22.0 m/s and car B at 29.0 m/s. Car A is 300 m behind car B when the driver of car A accelerates his car w
Len [333]

Answer:

(c) 19.0s

Explanation:

Given Data

Car A speed v=22.0 m/s

Car B speed v=29.0 m/s

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Car A acceleration a=2.40 m/s²

To find

Time required For Car A to take over Car B

Solution

We can represent Car A Coordinate by using equation of simple motion

X_{A} =vt+1/2at^{2}\\X_{A} =22t+(1/2)(2.40)t^{2}

And Coordinates of car B equals

X_{B}=300+29t\\

Car A is overtake car B when:

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Option (C) 19.0s is correct one

6 0
4 years ago
20 cubic inches of a gas with an absolute pressure of 5 psi is compressed until its pressure reaches 10 psi. What is the new vol
Setler79 [48]


The correct answer is C.

We will use Boyle's law that states that for a fixed amount of an ideal gas kept at a fixed temperature, pressure and volume are inversely proportional. 

P1 V1 = P2 V2

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V1 is initial volume = 20 cubic inch

P2 is final pressure = 10 psi

V2 is final volume = unknown

V2 = P1,V1 / P2

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V2 = 100/10

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3 0
3 years ago
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maw [93]

it is D all the above.


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