2 years ago

What is the formula for velovity?

Physics

1 answer:

GarryVolchara [31]2 years ago

4 0

Answer:

if it's velocity u talking of.....

Explanation:

then it's displacement/ time

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Most of the substances around you are _______

monitta

Answer:

gravity

Explanation:

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A proton is initially moving west at a speed of 1.10 106 m/s in a uniform magnetic field of magnitude 0.281 T directed verticall

kifflom [539]

Answer:

so here it will move in circle with radius 4.06 cm

Explanation:

As we know that proton is moving towards west while the magnetic field is vertically upwards

So here the force on the proton must be perpendicular to the velocity

So here we have

$F = q(\vec v \times \vec B)$

so here we have

$F = qvB sin90$

since force is perpendicular to the velocity so here it must be centripetal force

here we have

$\frac{mv^2}{R} = qvB$

so we have

$R = \frac{mv}{qB}$

$R = \frac{(1.66 \times 10^{-27})(1.10 \times 10^6)}{(1.6 \times 10^{-19})(0.281)}$

$R = 4.06 cm$

so here it will move in circle with radius 4.06 cm

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2 years ago

X = 20 <br> v = 3.5 m/s <br> t = ?

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Answer:

16.5 I think

Explanation:

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3 years ago

High-voltage power lines are a familiar sight throughout the country. The aluminum wire used for some of these lines has a cross

goblinko [34]

Answer:

Explanation:

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R = ρ L / S

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Given L = 14 000 m ,

S = 4.8 x 10⁻⁴ m²

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Putting the values in the formula

R = 2.8 x 10⁻⁸ x 14 x 10³ / (4.8 x 10⁻⁴ )

R = 0.8167 ohm .

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2 years ago

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When developing a question for a scientific inquiry, the question will ideally :

- be measurable
- Will have various variables that could be used for further testing
- not just simply ask why

hope this helps

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