9702/13

Physics 9702/13October/November 2014

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

40
questions
40
marks
60
minutes

Topics Dynamics · Work, Energy and Power · Forces, Density and Pressure · Physical Quantities and Units · Electricity · Electric Fields · +7 more

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

Q11MPhysical Quantities and UnitsFree sample

When the brakes are applied on a vehicle moving at speed vv, the distance dd moved by the vehicle in coming to rest is given by the expression

d=kv2d = kv^2

where kk is a constant.

What is the unit of kk expressed in SI base units?

Options

A   m1 s2\text{m}^{-1}\text{ s}^2
B   m s2\text{m s}^{-2}
C   m2 s2\text{m}^2\text{ s}^{-2}
D   m1 s\text{m}^{-1}\text{ s}

The rest of this paper

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