Q1. A car travels d=10km[E] then d=20km[N] What is the displacement travelled * a) 30km
b) 30km[NE]
c) 22km[NE]
d) 22km[E63oN]
Q2. A boat travels west at 20km/h. The journey lasts 3hours. How far has the boat travelled? *
a) 60km
b) 60km[W]
c) 17km[W]
d) 6.6km[W]

One soccer player (a) is moving at 4 km/h when she kicks the ball while another soccer player (b) is moving at 8 km/h. what statement accurately compares their kinetic energy if they have the same mass? a) both soccer players have the same kinetic energy. b) player b has twice the kinetic energy of player a. c) player b has four times the kinetic energy of player a. d) their kinetic energy can't be compared without knowing their mass.