Causes of wasted energy from a cyclist=
How could a velocity-time graph be used to find the max accelaration?
State and explain an aircraft characteristic that limits it's max horizontal velocity:
Explain why 2 balls thrown at different distances hit the ground at the same time:
Braking distance=
Factors affecting stopping distance=
-Road
-Car
-Driver
Thinking distance=
Stopping distance=
- friction
- air resistance
How could a velocity-time graph be used to find the max accelaration?
- steepest gradient
State and explain an aircraft characteristic that limits it's max horizontal velocity:
- air resistance
- as it will reach terminal velocity
Explain why 2 balls thrown at different distances hit the ground at the same time:
- they have the same downward acceleration (gravity)
Braking distance=
- distance traveled by vehicle in time it takes to stop safely from when the brakes were first applied (depends on road and wheel conditions)
Factors affecting stopping distance=
-Road
- icy
- wet
-Car
- load
- speed
-Driver
- experience
- drugs/drink
- reaction time
Thinking distance=
- distance traveled by vehicle in the time it takes driver to react (apply brakes)
- (depends on driver characteristics- experience, reaction time etc)
Stopping distance=
- Thinking + Braking distance