Momentum

Question 1

Equation for momentum

Answer 1

p=mv

Question 2

Unit for momentum

Answer 2

Kgm/s

Question 3

In a closed system is the total moment before and after an event the same

Answer 3

Yes

Question 4

In an open system is the momentum before and after the same

Answer 4

No

Question 5

Car safety features

-c… zones: c… on impact increasing time … for the car to …
-s… belts s…: increasing t… taken for wearer to s…
-a… bags i… and s… you down more quickly that if you were to hit the d…

Answer 5

-crumple zones: crumple on impact increasing time taken for the car to stop
-seat belts stretch: increasing time taken for wearer to stop
-air bags inflate and slow you down more quickly that if you were to hit the dashboard