Sunday, 10 August 2014

Physics Questions And Answers

Question 6
Group Answer:
Individual Answer:
B is a better thermal conductor than A. They have different expansitivity with B having greater expansitivity. Thus, both A and B expand but B expands more, pushing A upwards. 




Physics Questions And Answers

Question 3.
Individual Answer:
Tiles is a better conductor of thermal energy than parquet. The tiles will conduct thermal energy from the feet faster than the parquet. 

Question 4
Group Answer:
Individual Answer: 

Question 5 
Group Answer:
Individual Answer:
Heat the ring up. Diameter A will increase. When the ring is heated, it will expand outwards, causing diameter a to increase. As the outer surface of the ring expands outwards, the inner surface will expand outwards, following the outer surface. Thus, the hole will be bigger for the ball to pass through.