A particle starts at the position (in metres)

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A particle starts at the position

x_0 = 4p - 1

(in metres), where

p

is a positive constant. Later it undergoes a displacement of

\Delta x = 7 - 3p

(in metres) and reaches

x = +10\,\text{m}

. Find the value of

p

. (a)

1

(b)

\dfrac{18}{7}

(c)

4

(d)

5