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Velocity= a speed and a direction

The speed is 15 km/hr

You still need a direction to make a velocity.

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12y ago

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An approaching storm is moving at 15 km per hr what do you need to know to determine its velocity?

To determine the velocity of the approaching storm, you need to know both the speed at which the storm is moving (15 km/hr) and the direction in which it is moving. Velocity is a vector quantity, so it includes both the speed and the direction of motion.


If a storm is moving at 15 kmhr what is needed for the velocity?

Well, isn't that just a happy little question! To find the velocity of the storm, you simply need to know the direction it's moving in. Velocity is a vector quantity that includes both speed (15 km/hr in this case) and direction. So, if you know the direction, you can describe the storm's velocity fully. Just like painting a beautiful landscape, understanding the full picture can help you appreciate the beauty of nature's creations.


What do you to know to determine the velocity of a 15 km an hour storm?

You need to know its direction. Put that togetherwith the speed, and you'll have the velocity.


How does a Doppler radar determine the direction a storm is moving?

The Doppler part only detects motion towards and/or away from the radar antenna. To find a direction of travel (on any radar) you must watch the object (such as a storm) over time and watch it move. To find motion by doppler the radar must detect the frequency difference of the return signal - there will be a (very) small increase if the object is moving closer (and lower if moving away).


Why would it be important to velocity instead of speed when you describe how a storm is moving?

Velocity as opposed to speed is a vector and is therefore much more useful. For example when driving in a car your speedometer tells you your speed in Mph or KMph. This however does not give you information on where you are going, it only tells you how fast. You could be going north, south, east or west. Velocity on the other hand is a vector, which means it gives you direction and magnitude. So you know the car's speed and direction. Therefore velocity is more important in describing how a storm is moving because it tells you where the storm is going and how fast it is going.


Why would it be important to use velocity instead of speed when you describe how a storm is moving?

Velocity as opposed to speed is a vector and is therefore much more useful. For example when driving in a car your speedometer tells you your speed in Mph or KMph. This however does not give you information on where you are going, it only tells you how fast. You could be going north, south, east or west. Velocity on the other hand is a vector, which means it gives you direction and magnitude. So you know the car's speed and direction. Therefore velocity is more important in describing how a storm is moving because it tells you where the storm is going and how fast it is going.


What is a spiraling storm with winds between 63 kilometers per hour and 119 kilometers per hour?

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