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3 years ago

Does displacement = Δx?

2 answers:

Volgvan3 years ago

8 0

Typically no. Displacement can be in multiple directions as a vector. of something is traveling only along x, then it would be true though this is usually not the case.

adelina 88 [10]3 years ago

8 0

Displacement is the distance and direction from the start point to the end point.

If the motion starts and stops on the x-axis, then the displacement is equal to delta-x toward either the left or the right. But that would be rare and unusual.

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The sharing of valence electrons between atoms indicates an ionic bond.<br> True or false

morpeh [17]

Answer:

False

Explanation:

Sharing valence electrons to make a bond creates a covalent bond, not an ionic bond.

7 0

3 years ago

Does gravity increase or decrease with greater distance?

Karo-lina-s [1.5K]

Decrease. Gravity is stronger here on earth than on the moon.

3 0

3 years ago

Q15.17 Both wave intensity and gravitation obey inverse-square laws. Do they do so for the same reason?Discuss the reason for ea

s2008m [1.1K]

(a) Intensity obeys inverse square law from basis of light passing through a given surface.

(b) Gravitation obeys inverse square law from the basis of force between two masses.

<h3>What is intensity?</h3>

Intensity is the ratio is ratio of power to area of a given surface.

I = P/A (W/m²)

where;

P is power
A is area

<h3>Universal gravitation law</h3>

$F = \frac{Gm_1m_2}{r^2}$

Intensity and gravitation do not obey inverse square law for same reason;

Intensity obeys inverse square law from basis of light passing through a given surface.
Gravitation obeys inverse square law from the basis of force between two masses.

<h3>Acceleration of the block</h3>

a = v²/A

a = (3.9²)/0.12

a = 126.75 m/s²

Learn more about acceleration here: brainly.com/question/605631

#SPJ1

7 0

2 years ago

How many electrons do alkali metals have in their outer shell?

BARSIC [14]

The outer shell can hold 1 electron

3 0

3 years ago

Read 2 more answers

A 770 n man stands in the middle of a frozen pond of radius 10.0 m. he is unable to get to the other side because of a lack of f

oksano4ka [1.4K]

Momentum is conserved throughout this scenario.

Before the man does anything, the total momentum of him and his book is zero. So we know that it'll be zero after he throws the book.

Momentum = (mass) x (velocity)

The man gives the book (1.2 kg)x(10 m/s north) = 12 kg-m/s north
of momentum.

Since the total momentum must be zero, the man himself picks up 120 kg-m/s of momentum south.

(his mass)x(his v) = 120 kg-m/s south = (770 kg-m/s^2/9.8 m/s^2)x(V).

His velocity southward = (120 x 9.8) / (770) m/s .

He needs to reach the shore 10m away.

Time = distance/speed

= (10 x 770) / (120 x 9.8) seconds

= 6.55 seconds

3 0

3 years ago