Harmonic Motion
K value is essentially the....
stiffness of a spring
come up and draw a parallel circuit
see board
Power is a function of the.....
Time and power usage.
__________ Energy is transformed into ___________ energy by spinning a magnet inside a stator.
Kinetic, electrical
Specific heat is the amount of energy required to.............
increase 1 g of substance by 1 degree C.
In simple harmonic motion, the amplitude of motion represents...
The furthest away from the middle point that the spring will travel.
come up and draw a series circuit
see board
Total energy is to power as
Displacement is to ___________.
velocity.
Would you expect 100% of the kinetic energy input to be fully converted into electrical energy?
no, entropy.
Velocity is a ____________ because it has direction and magnitude.
Speed is a ______________ because it only has magnitude.
Vector, scalar
The period of motion represents the...
amount of time required to do one full round of motion.
Why are Christmas lights often series over parallel?
equal brightness, cheaper
manny pushes a 20N block 30 meters in 10 seconds, what is his power?
60 W
Name two types of power generators that use electromagnetic induction.
hydrostatic electric, windmills, nuclear, coal, natural gas
Semiconductors are different in that they...
Only conduct at very specific conditions.
Frederick traveled to Mr. Acosta's magical land where friction doesn't exist to go bungee jumping. after jumping, he realizes he made a mistake, as he keeps bouncing up and down without stopping. If he weighs 100kg and the bungee cord is 15.2 N/m, what is the time to perform one full bounce?
16.1 Seconds
draw the illustration of ohms law on the board, if you can't then explain what resistance means.
see board
willingness to accept charge into circuit.
Elmo charges his speaker 300kj. how long will it last if it consistently uses 300watts
16.67 minutes
The stator is...
wiring that goes around the magnet
What is a better conductor:
Water or mercury?
Mercury.
Jimmy is playing with a spring and anchors it to a wall and a block. If the block weighs 10kg and the period is 2 seconds, what is the k value of the spring?
99.92 N/m
A circuit has a voltage of 30 volts and 70 amp current, what is the resistance?
.428 ohms
Gordon used an electrical stovetop to cook a steak for 15 minutes, he used 900 kj, what rate is his famous oven consuming electricity?
1kw
What type of power generators do not use electromagnetic induction as its primary means of generation?
Solar panels!
Metals are considered_________ Conductors and ________ insulators.
good, bad