Paper 2 · November 2016 · Forces and Motion
Cyclist Q starts from rest and its speed increases uniformly to 20 m/s over the first 10 s. Calculate the acceleration of Q during this time.
A0.5 m/s²
B2 m/s²
C20 m/s²
D10 m/s²
Explanation
a = (v-u)/t = (20-0)/10 = 2 m/s²
Derived from ZIMSEC Physics 5055/2 Paper 2 Theory, November 2016, Q1