THE PRACTICE STUDIO
Go slowly. Ask why. Make it yours.
PRACTICE / Constant acceleration
How far does the cart travel before stopping?
A cart moves along a straight level rail at 18 m/s. A brake produces a constant acceleration of −3 m/s² until the cart first comes to rest.
Find the stopping distance.
Organize the givens & assumptions
- u = 18 m/s
- v = 0
- a = −3 m/s²
Positive is the initial direction. The stated acceleration is the net acceleration and applies only until the first stop.
- A
- B
- C
- D
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