2

Change in position over change in time. A measure of how fast something is moving. Measured in m/s, ft/s, mph or km/h.

The velocity of the roller coaster is 20 meters per second.

viết bởi 5'11"Racer
15 Tháng chín, 2006

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Defined as the change in position of an object (displacement) per unit of time. Velocity, unlike speed, takes into account the direction of travel relative to a base point.

v = s/t (where v and s are vectors)

Where (using SI units):

v is the velocity of the body in metres per second (ms^-1)

s is the displacement of the body in metres (m)

t is the time taken to travel from the initial point to the final point in seconds (s)

v = s/t (where v and s are vectors)

Where (using SI units):

v is the velocity of the body in metres per second (ms^-1)

s is the displacement of the body in metres (m)

t is the time taken to travel from the initial point to the final point in seconds (s)

1. (One dimension) If you start at point A and travel directly north to point B which is ten metres away, and it takes you five seconds to get there, your velocity will be 2ms^-1 due north.

2. (One dimension) If you travel west for a ten seconds at 1ms^-1, take a break for twenty seconds and then travel for another ten seconds at 1ms^-1, your velocity for the trip will be .05ms^-1 due west.

3. (Two dimension) If you start at point A and travel north at 3kmh^-1 for two hours, and then instantaneously change direction and travel due east for four hours at a speed of 2kmh^-1 to point B, your velocity for the trip is 10kmh^-1 N53°E (53°T)

I think...

2. (One dimension) If you travel west for a ten seconds at 1ms^-1, take a break for twenty seconds and then travel for another ten seconds at 1ms^-1, your velocity for the trip will be .05ms^-1 due west.

3. (Two dimension) If you start at point A and travel north at 3kmh^-1 for two hours, and then instantaneously change direction and travel due east for four hours at a speed of 2kmh^-1 to point B, your velocity for the trip is 10kmh^-1 N53°E (53°T)

I think...

viết bởi White Razor
25 Tháng ba, 2007

3

Smackdown's version of Heat where it mostly features Cruiserweight action with such cruiserweights as Paul London, Billy Kidman, Spike Dudley, Funaki, Akio, etc.

Chavo Guerrero vs. Billy Kidman is gonna be on Velocity this Saturday night!

viết bởi Alex
31 Tháng mười hai, 2004