________________ Calculate the slope of the linear best fit line.
Remember to include the units! The slope is the density of the soap.
________________ Based on the slope above, will the soap floatORsink in water?
________________ A marble rolls 45 centimeters in 0.9 seconds. What is the velocity ѵ of the marble?
________________ A 5.2 gram marble rolls 45 centimeters in 0.9 seconds. What is the momentum p of the marble?
____________________
Calculate the force required to bring a marble with a momentum p
of 260 g cm/s to a stop in 0.5 seconds.
____________________ When all 67.2 kilograms of me falls off of a moving RipStik,
I accelerate towards the ground at 9.81343 m/s²
I then slam into the ground exerting a force of 1500 Newtons on the ground.
Calculate the counter-force that the ground exerts on me.
____________________ An elastic band stretches (displaces)
a distance x of 5 cm when an 80 gram-force force f is applied.
Calculate Hooke's constant k for the elastic.
____________________ Presume that the elastic band in the above problem is Hookean, that is,
it is a linear elastic material.
What will be the displacement x when a 200 gram-force force f is applied?
___________________ Determine the speed of ball D.
___________________ Determine the speed of ball B.
___________________ Determine the speed of ball A between 7 and 8 seconds.
___________________ Determine the speed of ball C between 5 and 10 seconds.
___________________ °C What is the temperature at which water freezes?
___________________ °C What is the temperature of melting "frozen" coconut oil in Celsius?
___________________ °C What is the typical room temperature in Pohnpei in Celsius?
___________________ °C What is the temperature of the living human body in Celsius?
___________________
°C To within ±10 °C, what is the melting temperature for Ivory soap?
___________________ °C What is the temperature of a boiling water in Celsius?
ΔT = ____________________ °C
What is the change in temperature ΔT for metal which contained the most heat energy?
___________________ Which material holds the most heat?
______________
When walking due West, which number would change on the GPS unit,
the N 06° 54.560'or the E 158° 09.352' number?
______________ A student walked north on a line of longitude starting at N 6° 54.467'
and ending at N 6° 54.567'. The student measured a distance of 192 meters.
Determine the number of meters per minute of latitude based on this data.
The table records the time and distances for a RipStik accelerating on the classroom porch.
Calculate the velocity between the first and second pillars.
Calculate the velocity between the second and third pillars.
Calculate the momentum between the first and second pillars.
Calculate the momentum between the second and third pillars.
Calculate the change in momentum from the second to the third pillar.
Calculate the force required to generate the change in momentum for the 1.2 seconds
between the second and third pillars.
pillar
time (s)
distance (m)
velocity (m/s)
mass (kg)
momentum (kg m/s)
Δmomentum (kg m/s)
force (N)
one
0.0
0.0
0.0
67.2
0
0
0
two
2.4
4.8
a.
67.2
c.
e.
f.
three
3.6
9.6
b.
67.2
d.
stationary RipStik rider in movie parking lot • halfway up a hill moving down the hill
What form(s) of energy does the RipStik rider on the right have that
the rider on the left does not have?
[ ]
[ ]
[m = ρV]
[ ]
[ d = ѵt ]
[ ]
[ ѵ = at ]
[ d = ½at² ]
[ d = ½gt² ]
[ p = mѵ ]
[ GPE = mgh ]
[ KE = ½mѵ² ]
[ ]
[ F = ma ]
[ F = −kx ]