Physics Van 3-site Navigational Menu

Physics Van Navigational Menu

Q & A: Difference between speed and velocity

Learn more physics!

Most recent answer: 04/12/2012
Q:
What is the difference between Speed and Velocity? I kind of find them the same but, they told me they are different things, thank you for answering!
why people cheat catch a cheat how many people cheat
the best android phone mealmixer.com phone tracking apps
married men cheat with men open wifes cheat
prescription drugs discount cards link coupons for viagra printable
pfizer coupons for viagra prescription coupon viagra discounts coupons
coupon for viagra viagra trial coupon viagra discount coupons online
diabetes affect sexuality cialis dosage information diabetes sexuality treatment
acheter viagra pas acheter viagra pas acheter viagra pas
cialis manufacturer coupon cialis discounts coupons prescription drug coupons
venlafaxine gewichtstoename idippedut.dk venlafaxine fk
niacine movidafm.net niacin v hrani
diflucan 150 gruene-kehl.de diflucan sirup
fluvoxamine (luvox) blog.tgworkshop.net fluvoxamina bula
cialis driverblog.suddath.com cialis walgreen coupon
cialis open cialis walgreen coupon
cefdinir red stool ski-club-auringen.de cefdinir nedir
renovacija stanovanja renovator renova g
singulair 4 mg granulat scottdangelo.com singulair patient information

- Anonymous
A:
Hello Alexandra,

To talk about the differences between speed and velocity, let's talk about how they are defined.
Speed can be defined as the distance traveled divided by the total time taken. So, speed = distance/time.
While velocity can be defined as the displacement divided by the total time taken. So, velocity = displacement/time.

Now, let's imagine a person who ran around a circular park and returned to the same spot that he started from. The person would have covered a certain amount of distance around the circular park in a certain amount of time. If the person ran really fast, he would have used up less time to run around the park, and thus he would have a high speed. But if he ran really slowly, he would have used up more time to run around the park, and thus he would have a low speed. This part seems rather intuitive for now.

But, let's move on to velocity. Because the person ran back to his starting position, he would have zero displacement. Displacement is the difference in distance between the starting and final position. So, since displacement is zero in this case, we can say that the running man has an average velocity of zero!

So speed depends on distance traveled, while velocity depends on the displacement.

I'd also like to point out that speed is just a number (e.g. 10m/s or 24km/hr). However, when we talk about velocity, we usually have to describe the direction as well (e.g. 10m/s northwards or 24km/hr eastwards). It's because the velocity changes when the direction changes that the velocity can average to zero even though it isn't zero at any particular time.

In our daily lives, because the magnitude of the velocity at a particular moment of time is the same as the speed at that particular moment of time, we do not really make a huge fuss about the difference between velocity and speed.

Maurice
abortion pill clinics abortion pill prices for abortions
free prescription cards nwwebdesigns.net walgreens prints coupon codes
married cheaters redsoctober.com dating for married men
free viagra samples coupon open viagra 2016 coupon
coupons for prescriptions new prescription coupons prescription drugs discount cards
pfizer coupons for viagra free discount prescription cards viagra discounts coupons
coupon for viagra modelosguayaquil.com viagra discount coupons online
can i take escitalopram in the morning link can i take escitalopram in the morning
can i take antabuse and naltrexone can i take antabuse and naltrexone can i take antabuse and naltrexone
lisinopril and bisoprolol lisinopriland.net lisinopril and bisoprolol
where buy viagra online side effects from viagra use online viagra buy
cialis manufacturer coupon link prescription drug coupons
coupons for prescriptions discount prescription coupons drug prescription card
lilly cialis coupon prostudiousa.com coupons prescriptions
claritinekombo warpedfish.co.uk claritine za psa
arcoxia 30 go arcoxia wiki
flibanserin online flibanserin buy flibanserin buy
sildenafil pfizer link sildenafil sandoz
seroquel 25 mg click seroquel debljanje
trental cena trental trental nuspojave

(published on 04/12/2012)

Follow-up on this answer.