PHYSICS HIGH SCHOOL

What is a longitudinal wave?a. particles that travel in parallel to the direction of energy movement
b. particles that travel in a reverse direction to the direction of energy movement
c. particles that travel perpendicular to the direction of energy movement
d. particles that travel in an intersecting direction to the direction of energy movement

Answers

Answer 1
Answer: The answer is 'A', they travel parallel to the direction of motion
Answer 2
Answer:

Answer:

a

Explanation:

i learned this last week in school.

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True or false: the speed of the wave is determined by multiplying the wavelength by the frequency

Answers


Well, that's not the only way to determine the wave's speed, but
multiplying those two quantities will always give you the speed.
Sure enough.
yes, it is true. Multiplying wavelength and frequency gives you the speed

Which element has a larger atomic number than silver (Ag)?

Pd
Cu
Ni
Hg

Answers

Answer:

Hg has a larger atomic number than silver.

Explanation:

The atomic number of all given elements

Ag = 47

Pd = 46

Cu = 29

Ni = 28

Hg = 80

According to Mendeleev's periodic table,

The elements are arranged in order of increasing atomic number.

Hg is comes after Ag in periodic table so the atomic number of Hg is greater than Ag.

Hence, Hg has a larger atomic number than silver.

Hg has a larger atomic number than silver. Option 4 is correct.

What is an atom?

The atom consists of matter that may be split without releasing electrical charges.

It's also the smallest unit of matter with chemical element features. As a result, the atom is the fundamental unit of science.

In the nucleus proton and the neutron is existing. The condition of the atom to be electrically neutral is that the number of the proton and electron should be the same.

The atomic number of all given elements

(Silver),Ag = 47

(Palladium),Pd = 46

(Copper),Cu = 29

(Nickel)<Ni = 28

(Mercury),Hg = 80

Hg has a larger atomic number than silver.

Hence, option 4 is correct.

To learn more about the atom refer to the link;

brainly.com/question/1566330

#SPJ5

two bullets have masses of 0.004 kg and 0.008 kg, respectively. Both are fired with a speed of 60.0 m/s. which bullet has more kinetic energy?​

Answers

Answer:

eah

I don't believe in destiny

I just do what's best for me

Don't listen to my enemies

They're just full of jealousy

Duh

This legacy

You gon see what's left of me

You gon see success in me

You ain't seen the rest of me

I just wanna be the best at what I know

Better than the rest just watch me grow

Put me to the test and watch me go

This is my quest, I'ma make it known

They call me obsessive, oh I know

Call me selective with my notes

Call me agressive with my flow

Call me offensive even though

Explanation:

Tekanan gas yang berada dalam suatu ruangan dikurangi hingga setengahnya.hal ini menyebabkan suhu gas tersebut turun menjadi 3/4 dari semula.tentukanlah perbandingan volume gas akhir dan volume gas awal

Answers

PV/T =C

P.V1/T = 1/2P.V2/3/4T
V1= 4V2/6
V2/V1 = 6/4 =3/2

When an object is in orbit, it is falling at the same rate at which the Earth is curving. Please select the best answer from the choices provideda. True
b. False

Answers

The statement “When an object is in orbit, it is falling at the same rate at which the Earth is curving” is true. The speed of a satellite orbiting the earth depends only on the mass of the earth and the mass of the satellite.

What can you assume has happened if an electron moves to a higher energy level

Answers

EXPLANATION :

As per the question, the electron has jumped from ground state to higher energy level.

From Bohr's postulate, we know that electron can only move to higher excited state when the energy equivalent to excitation energy has been given to it. Otherwise, the electron can not move from ground state to the excited state.

Hence, it is obvious that the electron might have excited to higher energy level by providing sufficient energy from outside.

The external source might be light of suitable frequency or  any electric or thermal source.
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