PHYSICS
WORKSHEET A
FREE FALL
NAME: _____________________________
PART ONE: Vertical Velocity
DATE: ___
vV  gt
Where:
vv = vertical velocity
g = acceleration due to gravity (9.81 m/s2)
t = time
1.) How fast will a brick be going after it falls for 2.5 seconds?
DATA
EQUATION
MATH & UNITS
ANSWER
2.) An apple falls out of a tree and takes 1.75 seconds to strike the ground. How fast was the
apple going when it hit the ground?
DATA
EQUATION
MATH & UNITS
ANSWER
3.) A high diver dives off a platform and strikes the water 2.857 seconds later.
How fast is he
traveling as he strikes the water?
DATA
EQUATION
MATH & UNITS
ANSWER
PART TWO: Vertical Distance
dv  1 2gt 2
Where:
dv= vertical distance
g = acceleration due to gravity (9.81 m/s/s)
t = time
1.) How high was a brick dropped from if it falls in 2.5 seconds?
DATA
EQUATION
MATH & UNITS
ANSWER
2.) An apple falls out of a tree and takes 1.75 seconds to strike the ground. How high was the
apple from the ground?
DATA
EQUATION
MATH & UNITS
ANSWER
3.) A high diver dives off a platform and strikes the water 2.857 seconds later.
How high is
the diving platform?
DATA
EQUATION
MATH & UNITS
ANSWER
PART THREE: Time to Fall
t  2dv g
Where:
t = time
dv = vertical distance
g = acceleration due to gravity (9.81 m/s2)
1.) A trapeze artist misses the trapeze and falls into the net 9.2 meters below.
How long will it take him to fall?
DATA
EQUATION
MATH & UNITS
ANSWER
2.) A plane drops a C.A.R.E. package to some needy people in the jungle from a height of
1000m. How long will it take the package to strike the ground?
DATA
EQUATION
MATH & UNITS
ANSWER
3.) A book falls off a 1 meter tall table. How long will it take for the book to hit the floor?
DATA
EQUATION
MATH & UNITS
ANSWER
ANSWERS (Not in order) 1.37, 30.69, 40.08, 24.52, 0.45, 28.03, 15.04, 14.28, 70.14, 26.57, 0.79, 17.2
PHYSICS
WORKSHEET B
FREE FALL
NAME: __________________________
vV  gt
dv  1 2gt 2
DATE: _____
t  2dv g
1.) A rock is thrown out of a volcano. When it started to fall, it took 9.5 seconds to hit the
ground. How fast was the rock traveling as it struck the ground?
DATA
EQUATION
MATH & UNITS
ANSWER
2.) Wyl-E-Coyote has missed the Road-Runner again and has fallen through a hole in the edge
of a cliff. It takes him 4 seconds to strike the ground and go SPLAT. How fast is he
going when he hits the sand below?
DATA
EQUATION
MATH & UNITS
ANSWER
3.) A glass falls from a table top and smashes on the floor 0.6 seconds later. How fast is it
traveling when it begins to break?
DATA
EQUATION
MATH & UNITS
ANSWER
4.) A hail stone falls from a cloud and strikes a car 11 seconds later. How fast is the stone
traveling as it dents the roof?
DATA
EQUATION
MATH & UNITS
ANSWER
5.) A rock is thrown out of a volcano. When it started to fall, it took 9.5 seconds to hit the
ground. How high was the rock when it began to fall?
DATA
EQUATION
MATH & UNITS
ANSWER
6.) A glass falls from a table top and smashes on the floor 0.6 seconds later. How high is the
table?
DATA
EQUATION
MATH & UNITS
ANSWER
7.) A hail stone falls from a cloud and strikes a car 11 seconds later. How high is the cloud?
DATA
EQUATION
MATH & UNITS
ANSWER
8.) Wyl-E-Coyote has missed the Road-Runner again and has fallen through a hole in the edge
of a cliff. It takes him 4 seconds to strike the ground and go SPLAT. How high is the
cliff?
DATA
EQUATION
MATH & UNITS
ANSWER
9.) To crack open a crab, a sea gull drops it from a height of 18 meters. How many seconds does
it take the crab to fall?
DATA
EQUATION
MATH & UNITS
ANSWER
10.) A plane is flying at 9000 meters when one bolt works its way loose and falls to the ground.
How long do you have to avoid being hit by it?
DATA
EQUATION
MATH & UNITS
ANSWER
EXTRA CREDIT
How fast is a penny traveling as it hits the sidewalk if it was dropped from the top of the Empire
State Building which is 1250 feet high? (Ignore air resistance and 1 foot = 0.305 meters)
DATA
EQUATION
MATH & UNITS
ANSWER