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3 years ago

state the type of force which provide the needed centripetal force in the following instance :an electron orbiting the nucleus

Physics

1 answer:

Vladimir [108]3 years ago

6 0

i think the answer is electrostatic force hope this helps u stay safe

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Answer and explanation please!!

expeople1 [14]

Answer:

Option 3

Explanation:

O Option C is NEGATIVELY CHARGED, meaning it has GAINED ELECTRONS resulting in a GREATER number of ELECTRONS than PROTONS.

8 0

3 years ago

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PLEASE HELP ME

vichka [17]

Go with the last one because you need potential energy for kinetic energy

8 0

3 years ago

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On a journey of 600 km, a train was delayed 1 hour and 30 min after having covered 1 4 of the way. To arrive on time at the dest

mars1129 [50]

Answer:

The train travelled 10hours.

Explanation:

Using speed= distance/time ...eq1

Let the time taken by train to cover the journey be t.

Let the speed of train be s

Time= distance/speed ...eq2

Time t =600/s ...eq3

The train is delayed for 1 1/2 hours=3/2 hours

Train increased by 15km/hr.

Train travelled 1/4 of 600k.= 150km.

Speed increased by s + 15 to cover the remaining 450km

t = 150/s + 400/(s + 15) + 3/2 ..eq4

Equating eq3 and 4

600/s= 150/s + 460/(s + 15) + 3/2

450/s = 3/2 + 450/(s + 15)

3s^2 + 45s -13500=0

Solving the quadratic equation

S= -45 +-sqrt(45^2-4(3×13500)/2×3

S= 60 , -75

Hence speed of train is 60km/hr

Using eq 2 distance/speed=time

600/60=10

t= 10hours

5 0

3 years ago

According to boyle’s law, the volume of a gas is inversely proportional to its pressure if the?

Andru [333]

<span>According to boyle’s law, the volume of a gas is inversely proportional to its pressure if the "Temperature keep constant"

Hope this helps!</span>

3 0

4 years ago

Read 2 more answers

A sound wave is moving through air. The wave has a wavelength of 0.65 m and a frequency of 512 Hz. Calculate the speed of the wa

nexus9112 [7]

Answer:

"332.8 m/s" is the right solution.

Explanation:

The given values are:

Wavelength,

$\lambda=0.65 \ m$

Frequency,

$f = 512 \ Hz$

As we know,

⇒ $Speed=Frequency\times Wavelength$

or,

⇒ $V=f\times \lambda$

By putting the given values in the above relation, we get

⇒ $=512\times 0.65$

⇒ $=332.8 \ m/s$

6 0

3 years ago