A car is travelling at a speed of $20\text{ m s}^{-1}$. The table contains values for the kinetic energy and the momentum of the car. Which values are reasonable estimates? Options kinetic energy / J momentum / $\text{kg m s}^{-1}$ --- --- --- A $3 \times 10^{5}$ $3 \times 10^{4}$ B $3 \times 10^{5}$ $5 \times 10^{6}$ C $2 \times 10^{7}$ $3 \times 10^{4}$ D $2 \times 10^{7}$ $5 \times 10^{6}$

Physics 9702/12 — October/November 2018

Cambridge AS Level · Multiple Choice (AS Level) · answer key with instant marking and worked solutions

questions

marks

minutes

Topics Work, Energy and Power · Dynamics · Physical Quantities and Units · Waves · Superposition · D.C. Circuits · +6 more

Tap an option under each question to check it — your score builds as you go.

Q11MDynamicsWork, Energy and PowerFree sample

A car is travelling at a speed of $20\text{ m s}^{-1}$ . The table contains values for the kinetic energy and the momentum of the car.

Which values are reasonable estimates?

39 more questions

Loading the full paper…