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kvasek [131]
3 years ago
5

The children asked about the electric train and how to use it.

Physics
1 answer:
juin [17]3 years ago
3 0
U use the train to play hope i helped please thank me 
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Suppose you apply a force of 75 N to a 25-kg object. What will the acceleration of the object be?
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Answer:

I belive it would be ture

Explanation:

It's been a while since I learned this but I think that is right.

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A 269-turn solenoid is 102 cm long and has a radius of 2.3 cm. It carries a current of 3.9 A. What is the magnetic field inside
RUDIKE [14]

Answer:

Magnitude of the magnetic field inside the solenoid near its centre is 1.293 x 10⁻³ T

Explanation:

Given;

number of turns of solenoid, N = 269 turn

length of the solenoid, L = 102 cm = 1.02 m

radius of the solenoid, r = 2.3 cm = 0.023 m

current in the solenoid, I = 3.9 A

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B = \frac{\mu_o NI}{l} \\\\

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8 0
3 years ago
You push a 1.30 kg physics book 2.80 m along a horizontal tabletop with a horizontal push of 1.55 N while the opposing force of
Rzqust [24]

Answer:

<h2>3.36J</h2>

Explanation:

Step one:

given data

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distance moved s= 2.8m

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assume g= 9.81m/s^2

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2. Work against friction = force of friction x distance

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Step two:

the work done on the book is the net work, which is

Network done= work done to push the book- Work against friction

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3 years ago
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Which radiation has a higher frequency than visible light
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