danaeelara
Answered

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one car travels east for 360 m over a period of 15 seconds. a second car travels west for 120 m over a period of 5 seconds. what is true about their speeds? their velocities?

Sagot :

AL2006
Take it one step at a time.

-- Remember that 'speed' means (distance) divided by (time),
and the direction doesn't matter.

-- Remember that 'velocity' means the speed and the direction.

First car:
360 meters east in 15 sec.
Speed = 360/15 = 24 meters per second
Velocity = 24 meters per second east

Second car:
120 meters west in 5 seconds
Speed = 120/5 = 24 meters per second
Velocity = 24 meters per second west

-- Their speeds (24 and 24) are equal.

-- Their velocities are equal magnitude but opposite (24 east / 24 west).
it's the same because when you divide you can see they have the same velocity


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