ACCELERATION PROBLEMS PRACTICE #2
SOLVING FOR ACCELERATION:
1. What is the acceleration of а саг if it goes from О to З0m/s in 15 sec?
FORМULA
А�
Vt - Vi,
t
ANSWER
SUBSTIТUTION
А�
3o tv1fs - o m /s _-301f
/6s
/5s
:::
Lm/s')_
2. Ап lndianapolis race саг goes from 1 О m/s to 60 m/s in 9 seconds. What is the car's acceleration?
FORМULA
А с V+- v[
t
SUBSТITUTION
А=
ьo r{I/� -1 ом(s�s
ANSWER
5ом /s
q5
5. sь M/s
J_
osi-hvt.. �:::. s,
3. А jet plane landing at O'Hare goes from 150 m/s to 50 m/s in 20s. What is its acceleration?
FORМULA
А"
�f - VL
t
SUBSТITUTION
А� 5o rr'\ /s -
ANSWER
lso�/\ -юortt fs
)Os
t s�
s
r
=
�о�
м
vp