CP10 Use of ICT to analyse collisions of small spheres

Question 1

How?

Answer 1

Record the mass of the spheres
Position metre rulers perpendicular to each other
Use a video camera
Roll a sphere into a stationary sphere
Use the video and go frame by frame to calculate the distance travelled in time
calc the initial and final velocity and create a vector diagram of their velocity
Prove momentum is conserved

Question 2

Problems?

Answer 2

Friction can’t be accounted for

Question 3

How is the uncertainty calculated?

Answer 3

Half the range of the repeat readings