Physics, 27.01.2020 17:31 kaykaystark5528

Here are three displacements, each in meters: d1 = 1.5i + 1.8j - 5.0k, d2 = -1.0i + 2.0j + 3.0k, and d3 = 4.0i + 3.0j + 2.0k. what is r = d1 - d2 + d3 ((a), (b) and (c) for i, j and k components respectively)? (d) what is the angle between r and the positive z axis? (e) what is the component of d1 along the direction of d2? (f) what is the component of d1 that is perpendicular to the direction of d2 and in the plane of d1 and d2?

Answers: 3

Show answers

Answers

D1 = 1.5 i + 1.8 j - 5.0 k

d2 = -1.0 i + 2.0 j + 3.0 k

d3 = 4.0 i + 3.0 j + 2.0k

d1 - d2 + d3

add each component separately

Answer from: Quest

quantum mechanics or quantum physics is physics of very small objects (particles) and physical entities.

quantum physics has some parallels to our macro world and some pretty unique ideas which theoretically and mathematically proven to be true even though we will never be able to access them because of our size.

there are many types of particles: subatomic, elementary etc.

subatomic means they are smaller than atom, elementary means they are at the very basis of everything.

subatomic particles are for eg. protons, neutrons but not electrons.

elementary particles are categorised into 3 groups by what they do.

these 3 groups are quarks, leptons and bosons.

light for example is a particle more precisely a photon a part of leptons.

proton (subatomic particle) is made out of 2 up quarks and 1 down quark each of these has a fractional charge like $\frac{1}{3}$ . (i crazy)

most famous scientist who contributed to this physics are:

max planckalbert einsteinerwin schrödingermany

the topic itself us understand a lot and will probably be vastly used in the future (quantum computers, understanding the big bang,

we also must not forget quantum effects like:

superposition (where 1 thing can be this and that at the same time),entanglement (where two particles are seemingly connected by some sort of unknown (or known) force, energy, matter (i know all that can be the same at least it was at the beginning)

and there is more. but probably too much for this answer to be consistent due to my average understanding of this topic.

hope this you understand quantum mechanics a little more. i'm not an expert in the topic (so don't be like wth if you are an expert) but i'm very interested in it.

anyways quantum physics is a very hard topic (harder than physics (perhaps)) therefore searching for every information there is about it and learning it is unfortunately impossible (you can only specialise into 1 - 3 things or more (perhaps

have fun and i wish you luck!

r3t40

Answer from: Quest

Answer the radiant sun;

Another question on Physics

Physics, 22.06.2019 10:00

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.

Answers: 2

Answer

Physics, 22.06.2019 21:00

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?

Answers: 2

Answer

Physics, 22.06.2019 22:10

Astep up transformer has 250 turns on its primary and 500 turns on it secondary. when the primary is connected to a 200 v and the secondary is connected to a floodlight that draws 5a, what is the power output? show all of your work.

Answers: 1

Answer

Physics, 22.06.2019 22:30

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s

Answers: 2

Answer

You know the right answer?

Here are three displacements, each in meters: d1 = 1.5i + 1.8j - 5.0k, d2 = -1.0i + 2.0j + 3.0k, an...

Questions