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Graphs and motion
Temperature
Conservation Of ME
Acceleration
Heat
100
A straight-line graph indicates ______ relationship between two quantities. A. Linear B. Direct C. A and B. D. None
C
100
T/F: The hands should be hotter than the crook of elbow.
False
100
ME = is the sum of the _________ energy and _______ energy
potential and kinetic
100
acceleration due to gravity is _____________ (include units)
What is 9.8m/(s^2)
100
Unit for heat / heat energy?
Joules / calories
200
If your cruising at a constant 50km/h for 3 hours; the slope of the velocity vs time graph will be A) Linear B) Zero C) 16.666667 D) 50/3
What is Zero?
200
Average core temperature of the body.
What is 37 degrees Celcius?
200
energy that is possessed by an object due to its motion or due to its position
What is Mechanical Energy
200
An object moving backwards and coming to a stop has a _________ acceleration. (positive, negative, zero, super)
What is positive
200
Energy required to produce a unit change in temperature of 1 gram of a substance
What is Specific Heat Capacity?
300
The measure of change in y with respect to the change in x.
What is slope?
300
what is the boiling point of water in kelvins.
373.15 K
300
ME = ____ + ____ (equation) i.e. F=ma P=w/t
mgh and 1/2 mv^2
300
The corresponding acceleration vs time graph of an object at free fall (falling vertically) is A. Horizontal line at y=9.8 B. Horizontal line at y = 0 C. Straight line upwards starting at y=9.8 D. Vertical line at y=9.8
A? Horizontal line means constant. Constant at 9.8 = constant acceleration due to gravity [9.8m/(s^2)]
300
Unit of specific heat?
Joules / (gram*degC) or cal / (gram*degC)
400
the value of the slope of a position vs time graph of a faster object compared to that of a slower object is (larger/smaller/equal)
What is Larger? :> :P
400
Our bodies lose heat in 5 ways: conduction, convection, radiation, respiration, and _ _ _ _ _ _ _ tion. Clue: sweat
Evapora
400
in the experiment with carts, the change in height can be computed for using the equation
delta h = distance x sin(theta)
400
When you throw a ball upward, at the peak of it's trajectory(where it stops moving), the acceleration is _______
What is 9.8m/(s^2)
400
Write the equation which relates the heat, to the specific heat. (specific heat equation)
What is Q = m c delta(T)
500
the position vs time graph is a horizontal line. the object has: A. No acceleration B. No velocity C. No change in position
A
500
No bearing: regulation of internal environment. (i.e. temperature inside the body) ; biology term
Homeostasis
500
a ball rolls up a slope. when measured at the bottom, the KE is 80 joules. if energy is conserved, what is the potential energy when it returns to this position after rolling up
zero
500
a ball is thrown upwards at 10m/s, determine the kinetic energy at the top of the trajectory, mass of the ball = 1kg KE = 1/2mv^2
zero
500
I'm burning through the sky, yeah Two hundred degrees that's why they call me Mr.___________ I'm travelling at the speed of light I wanna make a supersonic woman of you
Who is Mr. Fahrenheit