A car traveling at 22 m/s comes to an abrupt halt in 0.1 second when it hits a tree. What is the deceleration of the car?
A) 110 m/s2
B) 220 m/s2
C) 800 m/s2
D) 880 m/s2
E) need more information
Question 2
An object released from rest on another planet requires one second to fall a distance of 6 meters. What is the acceleration due to gravity on this planet?
A) 3 m/s2
B) 6 m/s2
C) 12 m/s2
D) 15 m/s2
E) none of the above