qz1C - GUESS method

If the problem says you start from rest, what do you put in the givens?

• t=0 seconds
• v_i = 0 m/s
• v_f = 0 m/s
• a = 0 m/s²

If the problem says you come to a stop, what do you put in the givens?

• t=0 seconds
• v_i = 0 m/s
• v_f = 0 m/s
• a = 0 m/s²

If the problem says you have constant velocity, what do you put in the givens?

• t=0 seconds
• v_i = 0 m/s
• v_f = 0 m/s
• a = 0 m/s²

12 seconds

• t
• a
• v
• Δd

12 m/s

• t
• a
• v
• Δd

12 m/s²

• t
• a
• v_f
• v_i

How long did it take?

• t
• a
• v_f
• v_i

It was going 2 m/s before it accelerated... Identify 2 m/s.

• t
• a
• v_f
• v_i

In 10 seconds, a car accelerates 4 m/s² to 60 m/s. How fast was the car going before it accelerated?
Identify the unknown

• t
• v_i
• v_f
• a

In 10 seconds, a car accelerates 4 m/s² to 60 m/s. How fast was the car going before it accelerated?
Identify the words in red (60 m/s)

• t
• v_i
• v_f
• a