Question Wrong 2022

Question 1

Describe an investigation students can carroy out to show momentum conserve when these 2 trolleys collide

Answer 1

Measure mass of trolleys
Determine spesd of trolley A
Put on light gate down the runway than A and further down B
Trolly a and b stick together
Measure combined velocity
Calculate momentum lf A before collision and after collisopn
Repeat and take mean avwrage

Question 2

What did the rutherford gold experiment show us

Answer 2

Nucleaus posirively charged, must be a nucleus, atoms mainly empy space, few particle got reflected through small angles
Most particles pass straight through

Question 3

Compare x rays woth radio waves

Answer 3

Radio waves television
Communication
X rays for broken bones
Treatment of cancer
Radio waves electron in lower energy levels can absorb
Elwctrons need to lose a large amount of radiation
They oscillate up and down ari
Continually change direction