Question

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DOSS ble
2. State whether distance is a scalar or a vector quantity.
3. Change the speed of 6 m/s into km/h.
4. What name is given to the speed in a specified direction ?​

Answer 1

Answer:Speed, velocity, scalars and vectors

Forces can change the position, shape or motion of an object. They can make objects speed up, slow down or change direction. It is the direction of movement that shows the difference between a scalar and a vector measurement – this is the difference between the speed of an object and its velocity.

Speed

Speed is a measure of how fast something is travelling. It is the distance travelled in unit time. Speed is measured in m/s or km/h (or mph in UK cars).

\text{speed}=\frac{\text{distance travelled}}{\text{time taken}}

Speed, or distance and time can be calculated using the DST triangle.

Explanation:

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