Physical Science CBQ#2

Learning Objective:  Free Fall

CBQ#2  {FM}  Wiley Coyote thinks he will outsmart RoadRunner (beep! beep!). Instead Wiley Coyote falls off a cliff into a gorge.

Sketch the problem.

A) If he falls for 4 seconds, how fast will he be moving ? Give your answer in both meters/second and feet per second.

B) How far did he fall ?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

l

l

l

l

l

ll

l

l

l;

l

ll

l

l

l

 

 

 

 

 

 

 

 

A) v = a t = (-9.8)(4) = -32.9 m/s
(-32)(4) = -128 ft/s


B) y = 1/2 s t2