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- 1. Multiple Choice
Reaction time involves...
The length of time taken for a person or system to respond to a given stimulus or event
How hard you press on the brake when you see a kangaroo jump out in front of you
The distance that you travel while you are reacting to a stimulus
The speed at which you are travelling at
- 2. Multiple Choice
Reaction distance is the distance travelled while reacting to the stimulus or event.
True
False
- 3. Multiple Choice
The formula to calculate Reaction Time is...
f=ma
d=v x t
t= the sq root of 2 x d/981
t=d/981 x 2
- 4. Multiple Choice
What is the key bodily function that triggers a reaction to a stimulus?
Digestion
Urination
Reflexes and Reaction Time
Shock
- 5. Multiple Choice
Distance and Displacement are similar, but different. What is the key difference between the two?
Distance is for year 8s and Displacement is for smart year 10s
Direction provides the direction and the distance
Displacement provides the direction and the distance
Displacement is when you are lost and need to work out how to get home
- 6. Multiple Choice
When looking at displacement and direction, one is a scalar quantity and one is a vector quantity. What does this mean?
One is cooler than the other
One is more informative than the other, giving size and direction
One is less important than the other
Displacement is a scalar quantity
- 7. Multiple Choice
If Miss Humphries walked from her office to the staff room to get a coffee and back to her desk what would her displacement be?
0m
20m
1km
20m there and 20m back
- 8. Multiple Choice
If Miss Humphries drove home from school in a northerly direction for 50 kms, what would her distance and displacement be?
Distance is irrelevant
0km
50kms
50kms North
- 9. Multiple Choice
The correct formula to calculate distance is...
d= v x t
a= d / t
a= v-u/t
f=ma
- 10. Multiple Choice
When relating to physics, speed is refered to as...
Measure of how quickly something moves.
How slow the internet is
Displacement and Distance
Reflexes
- 11. Multiple Choice
When converting from m/s to km/hr the conversion rate is..
Multiply by 3.6
Divide by 3.6
Add 9.81
Subtract 9.81
- 12. Multiple Choice
What is the difference between speed and velocity.
They're exactly the same thing
Speed is basic and velocity is not
Speed is a scalar quantity and velocity is a vector
Speed is displacement
- 13. Multiple Choice
When filling out a velocity triangle, the formula at the top of the triangle is..
d= v x t
v= d/ t
t= d/ v
- 14. Multiple Choice
The quantities needed to calculate velocity are...
distance and time
time and velocity
distance and velocity
time and displacement
- 15. Multiple Choice
To calculate acceleration, you need to calculate the change in speed divided by the amount of time it took.
True
False
- 16. Multiple Choice
Miss Humphries is the best
True
Absolutely
Affirmative
Yes
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