Ch01 A-level Physics CIE
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16 Terms
distance travelled / time
How to calculate average speed
constant speed
Average speed is always equal to the actual speed when the object is moving at...
ms^-1
The units of speed
detected; not detected
A light gate sends two kinds of signal: one when the beam is _________ and one when the beam is ______ _____________
data logger AND computer
A light gate should always be connected to a...
a quantity with magnitude and direction
Define 'vector'
a quantity with magnitude but no direction
Define 'scalar'
a straight line
Displacement must be measured along...
distance travelled and displacement
This diagram shows the difference between...
displacement / time
The equation for velocity
scalar
Is distance a scalar or vector?
vector
Is displacement a scalar or vector?
scalar
Is speed a scalar or vector?
vector
Is velocity a scalar or vector?
angle
If you have to calculate a vector, what should you always try to calculate (other than its size)?
velocity
What does the gradient of a displacement-time graph represent?