Equation recognition quiz 1
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A physics question says: A car speeds up from 4.0 m/s to 16 m/s in 6.0 s. Find the acceleration.
Which equation do you need to find the acceleration?
a = (v - u) / t
A Physics question says: A runner travels 150 m in 12 s.
What unknown quantity can you find from the two given quantities?
Speed
A Physics question says: A18 N acts on a 6.0 kg object. Find the acceleration.
What quantities are given in the question?
Force and mass
What does rearranging the equation F = m a give
m = F / a
A physics question says: a device transfers 240 C in 80 s. Find the current.
Which equation do you need to find the current?
Q=It
A Physics question says: A motor transfers 300 J in 20 s. Find the energy transferred per second?
What is the unknown quantity in the question?
Power
A Physics question says: A resistor has 6.0 V across it and 0.30 A through it. Find the resistance.
What quantities are given in the question?
Voltage and resistance
What does rearranging the equation: E=Pt give?
t=E/P
Note 
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