Pre-Lab Questions
• What is the acceleration of a ball that is vertically tossed up when it reaches its
maximum height?
9.8 m/s2 because it’s a constant force
• If you drop a ball, and then one second later drop a ball identical in mass, size and
shape, what happens to the distance between them as they fall?
As time increases, the distance between them will also increase.
• What does a positive and negative slope represent for a velocity versus time
graph? A positive slope represents acceleration of an object. A
nagetaive slope represents the deceleration of an obkect.
• In one of your experiments, you will roll a marble down a ramp to provide an initial
horizontal velocity. Suppose you start the marble at rest (vo = 0 m/s) and it travels a
distance of, d, down the ramp. Use 1-D kinematics to predict the velocity of the ball
(vf ) at the bottom of the ramp. Hint: the acceleration of the ball down the ramp is
9.81*sin(θ) m/s2 where θ is the angle of the ramp. Record you answer in variables
(you will calculate the velocity with magnitudes when you perform the experiment).
v= square root of 2gd(sin0) m/s
, • Use the kinematic equations to derive a general equation for the time it takes a ball
dropped from rest at vertical height, h, to reach the ground.
Vf= square root of 2gd
• Use the result from Question 2 to write a general equation for the distance
travelled by a projectile that is rolling off a table of height, h, with a horizontal
speed, v0x.
distance --> (Vo x 2h/g)
•
EXPERIMENT 1: DISTANCE OF FREE FALL
Data Table
Table 1. Washer Free Fall Data
Trial Drop Height (m) Time (s)
1 1.7 0.54
2 1.7 0.65
3 1.7 0.53
Average 1.7 0.55
Auditory Observations of Equally Spaced Hex Nut Pattern:
the noises like a clang sound were pretty much spaced out evenly, but
each noise got louder and louder.
Auditory Observations of Unequally Spaced Hex Nut Pattern:
the beginning couple of clang sounds were pretty quick and the last one
was much louder. The noise after the first couple were equally spaced.
• What is the acceleration of a ball that is vertically tossed up when it reaches its
maximum height?
9.8 m/s2 because it’s a constant force
• If you drop a ball, and then one second later drop a ball identical in mass, size and
shape, what happens to the distance between them as they fall?
As time increases, the distance between them will also increase.
• What does a positive and negative slope represent for a velocity versus time
graph? A positive slope represents acceleration of an object. A
nagetaive slope represents the deceleration of an obkect.
• In one of your experiments, you will roll a marble down a ramp to provide an initial
horizontal velocity. Suppose you start the marble at rest (vo = 0 m/s) and it travels a
distance of, d, down the ramp. Use 1-D kinematics to predict the velocity of the ball
(vf ) at the bottom of the ramp. Hint: the acceleration of the ball down the ramp is
9.81*sin(θ) m/s2 where θ is the angle of the ramp. Record you answer in variables
(you will calculate the velocity with magnitudes when you perform the experiment).
v= square root of 2gd(sin0) m/s
, • Use the kinematic equations to derive a general equation for the time it takes a ball
dropped from rest at vertical height, h, to reach the ground.
Vf= square root of 2gd
• Use the result from Question 2 to write a general equation for the distance
travelled by a projectile that is rolling off a table of height, h, with a horizontal
speed, v0x.
distance --> (Vo x 2h/g)
•
EXPERIMENT 1: DISTANCE OF FREE FALL
Data Table
Table 1. Washer Free Fall Data
Trial Drop Height (m) Time (s)
1 1.7 0.54
2 1.7 0.65
3 1.7 0.53
Average 1.7 0.55
Auditory Observations of Equally Spaced Hex Nut Pattern:
the noises like a clang sound were pretty much spaced out evenly, but
each noise got louder and louder.
Auditory Observations of Unequally Spaced Hex Nut Pattern:
the beginning couple of clang sounds were pretty quick and the last one
was much louder. The noise after the first couple were equally spaced.
