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2 years ago

Which of these is a good example of Newton's First Law of inertia

Physics

2 answers:

yKpoI14uk [10]2 years ago

8 0

Answer:

Its is A

Explanation:

Which of these is a good example of Newton's First Law of inertia

a ball sits motionless on the ground

a ball gathers speed as it rolls downhill

a ball accelerates as it falls out of the classroom window

a ball slows down after it is kicked through the grass

Andru [333]2 years ago

3 0

Answer:

one body movement to the side when a car makes a sharp turn

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How does emission spectra occur?

Lerok [7]

The frequencies of light that an atom can emit are dependent on states the electrons can be in. When excited, an electron moves to a higher energy level or orbital. When the electron falls back to its ground level the light is emitted.

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mark brainliest

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3 years ago

A uniform electric field of strength E points to the right. An electron is fired with a velocity v0 to the right and travels a d

zvonat [6]

Answer:

$D_l=d$

Explanation:

From the question we are told that:

The Electric field of strength direction =Right

The Velocity of The First Electron=V_0

The Velocity of The Second Electron=V_0

Therefore

$V_{e1}=V_{e2}$

Generally, the equation for the Horizontal Displacement of electron is mathematically given by

$D=\frac{at^2}{2}$

Where

Acceleration is given as

$a=\frac{V_o}{2d}$

And

Time

$T=\frac{d}{v_0}$

Therefore horizontal displacement towards the left is

$D_l=\frac{(\frac{V_o}{2d})(\frac{d}{v_0})^2}{2}$

$D_l=d$

5 0

2 years ago

An object of volume 0.0882 m3 is

vfiekz [6]

The density of the fluid is 776.3 $m^{-3}$

Explanation:

Buoyant force is the upward pushing force whenever an object is trying to get immersed in fluid. So this is the force given by the fluid on the object which is trying to get immersed. The buoyant force is found to be directly proportional to the product of density of the object, volume of the object. And here the acceleration due to gravity will be acting as proportionality constant.

$Buoyant force = Density \times Volume \times Acceleration$