What does the gradient on a distance time graph represent.
What does gradient of the line on a velocity time graph represent
The stopping distance of a vehicle is the equal to
the sum of the reaction time and the braking time
the sum of the breaking distance and the reaction time
the sum of the thinking distance the breaking time
the sum of the thinking distance and the breaking force
the product of the breaking time and the thinking distance
What is the equation relating the spring constant (k), the force (F) and the extension (E).
the current potential difference graph for a resistor at a constant temp is
y=x until halfway up the graph where it remains as y=5
The greater the P.D. the __________ the current, for a component at a given _________.
For components connected in series
the total resistance is the sum of the resistance in all the components
the P.D is the same across all the components
the charge is constantly changing in all the components
same current through each component
the total current through the whole circuit is the sum of the currents through the separate components.
the potential difference of the supply is the shared between the components
Mains electricity is a.c.
Mains electricity has a frequency of
The units of charge are
What comes directly after the main sequence of a star about the size of our sun
red super giant
One eventual outcome for a huge star is a black hole, what is the other