Exam Questions Flashcards
1
Q
State the name of an instrument that can be used to measure radio activity
A
(Geiger Müller counter)
GM meter/tube
film badge
dosimeter
2
Q
State two sources of background radiation
A
2 of
Sun
rocks/ground
nuclear power stations
plant
buildings
food
water
medical
radon
radio therapy
X-rays
3
Q
The speed of sound varies depending upon the substance it is travelling through.State the speed of sound in air.
A
340 m/s
4
Q
What is the typic acceleration for a sprinter starting a race
A
10 m/s squared
5
Q
What is the typical acceleration for a falling object
A
10 m/s squared
6
Q
what is the typical acceleration for a bullet shot from a gun
A
2 x 10 to the power of 5 m/s squared
7
Q
Describe the motion of an object that has a negative acceleration
A
It will be decelerating/slowing down
