3 years ago

Which subatomic particles each have a neutral electrical charge?

Physics

1 answer:

Serhud [2]3 years ago

7 0

Answer:

B. Neutrons

Explanation:

Neutrons have a neutral electrical charge hence the name "neutron".

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A 5.0 m length of rope, with a mass of 0.52 kg, is pulled taut with a tension of 46 N. Find the speed of waves on the rope

aleksandrvk [35]

Answer:

Speed of waves on the rope is 21 m/s

Explanation:

Length of the rope (l) = 5.0 m

Mass of the rope (m) = 0.52 kg

Tension in the rope (T) = 46 N

Formula of speed of waves on the rope:

$\bold{v = \sqrt{\dfrac{T}{\mu}}}$

$\mu$ = Mass per unit length of the rope (m/l)

By substituting the values in the formula we get:

$\implies \rm v = \sqrt{\dfrac{T}{ \dfrac{m}{l} }} \\ \\ \implies \rm v = \sqrt{\dfrac{Tl}{m}} \\ \\ \implies \rm v = \sqrt{ \dfrac{46 \times 5}{0.52} } \\ \\ \implies \rm v = \sqrt{ \dfrac{230}{0.52} } \\ \\ \implies \rm v = \sqrt{442.3} \\ \\ \implies \rm v = 21 \: m {s}^{ - 1}$

Speed of waves on the rope (v) = 21 m/s

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2 years ago

HELP!! ILL GIVE BRAINLIEST As we've learned so far, the popular model of the solar system shifted over

Mademuasel [1]

Answer:

geotric earth simulator I think ya I have no idea

4 0

3 years ago

HELP ASAP

lakkis [162]

Answer:

I think it's D!!

cuz protons are in the atoms

3 0

3 years ago

Leokris [45]

Answer:

Explanation:

It is simple coman sense

7 0

3 years ago

A train is traveling down a straight track at 20. m/s when the engineer applies the brakes, resulting in an acceleration of -1.0

Kipish [7]

Answer:

The answer to your question is: d = 0 m, it does not move

Explanation:

Data

vo = 20 m/s

a = -1 m/s2

t = 40 s

d = ?

Formula

d = vot + (1/2)at²

Substitution

d = (20)(40) + (1/2)(-1)(40)²

d = 800 - 800

d = 0 m It suggest that it does not move.

I hope it can help you

7 0

3 years ago