Particle P moves on a straight track according to for

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

Particle P moves on a straight track according to

p(t)=t^{2}+1

for

t\ge0

. Particle Q is at rest at

x=4

m until

t=2

s, after which its position is

q(t)=(t-2)^{2}+4

for

t\ge2

. Find the distance between the particles at

t=3