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viva [34]
3 years ago
11

A primary coil of a transformer in a toy electric car has 300 turns and the secondary coil has 30 turns. How many volts will be

induced when the primary coil is connected to a 9 V battery? * >Look at picture below please< *

Physics
1 answer:
mel-nik [20]3 years ago
6 0

Answer:

35874838BNFUWERH54 N4T3= e+8

Explanation:

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Need the answer for question 5 :)
kykrilka [37]

Answer:

1 B. Convert v from km/min to m/s ( show work and units

3 0
2 years ago
Which situation will change the direction of the bicycle?
Elodia [21]

Answer:

Dont know if this is right but i say C

Explanation:

6 0
3 years ago
Describe what happens to the particles of a liquid, in terms of movement and kinetic energy, as it is cooled to its freezing poi
nataly862011 [7]
As a system is cooled to its freezing point, the kinetic energy of the particles in the system will lower so the movement are much slower. Cooling means taking out heat from the system. This process is a physical change because it is only the phase of the system is changed and it is still the substance after the process.
6 0
2 years ago
A stone sphere of radius 7.00 m rests in a flat field. Relative to the ground, what is the gravitational potential energy of a 9
Molodets [167]

Answer:

(B)  1.23 x 10⁴ J

Explanation:

Given;

radius of the sphere, r = 7.0 m

diameter of the sphere, d = 2r = 14.0 m

mass of the person sitting on the sphere, m = 90.0 kg

The gravitational potential energy of the person is given by;

P.E = mgh

where;

g is acceleration due to gravity = 9.8 m/s²

h is the height above the ground level = d = 14.0 m

P.E = mgh

P.E = (90)(9.8)(14)

P.E = 12348 J

P.E = 1.2348 x 10⁴ J

Therefore, the gravitational potential energy of the person is 1.2348 x 10⁴ J

8 0
2 years ago
What is the minimum (non-zero) thickness ttt of the film that produces a strong reflection for green light with a wavelength of
scZoUnD [109]

Answer:

200 nm.

Explanation:

The minimum thickness can be found using the following equation:

2t = \frac{m\lambda}{n}

Where:

t: is the thickness =?

m: is the order of interference = 1 (since it is minimum)

n: is the refractive index = 1.25

λ: is the wavelength = 500 nm

t = \frac{m\lambda}{2n} = \frac{500 nm}{2*1.25} = 200 nm

Therefore, the minimum thickness is 200 nm.

I hope it helps you!

6 0
3 years ago
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