Which liquid would cool an item faster, methanol or water?
What is methanol
100
Light is what type of way?
What is transverse
100
Unit for electrical charge?
What is coulomb
100
sum of potential energy plus potential energy?
What is mechanical energy
100
what are the primary pigment colors?
What is magenta, cyan, yellow
200
what is the celsius temperature of 77K?
What is -196 C
200
What 2 colors make cyan?
What is blue and green
200
What are two methods for charging a neutral object?
What is conduction and induction
200
If a car is slowing down what kind of work are the brakes doing on the car?
What is negative work
200
If a substance is a poor thermal conductor, what is it good at?
What is insulation
300
Which type of heat transfer requires physical conduct between two objects?
What is conduction
300
List EM spectrum from lowest to highest frequency
What is Radio, Microwave, Infared, Visible, UV, X-Ray, Gamma
300
The units for work are?
What is Joules
300
A lawn mower is being pushed for 30 min with a force of 75 N at an angle that is 40 degrees above the horizontial, what is the work done on the lawn mower?
What is 1720 J
300
work/time =?
What is power
400
What is the 3rd law of thermodynamics?
What is absolute zero temperature is the coldest possible temperature and cannot be reached
400
What is the frequency of the color red of 700 nm?
What is 4.29 X 10^14 Hz
400
How far apart are two electrons if they exert a force of repulsion of 1 N on each other and their charges are 1.6X10^-19 C
What is 1.52X10^-14 m
400
What is the kinetic energy of a .135 baseball thrown at 40m/s?
What is 108 J
400
in a parallel circuit if a resistor is added, current..
What is increases
500
how much heat is needed to vaporize 20 grams of water at 50 C?
What is 4.94X10^4J
500
What is the wavelength of a FM radio signal if the number on the dial reads 91.7 MHz?
What is 3.27 M
500
a charge of 4X10^-5 C is attracted by a second charge with a force of 350 N when the seperation is 10 cm, calculate the size of the second charge
What is 9.72X10^-6 C
500
A bobsled zips down the ice starting at 150 m vertical distance up the hill, disregarding friction, what is the velocity of the bobsled at the bottom of the hill?
What is 54.2 m/s
500
A projectile is launched into the air with an initial velocity of 10 m/s, how high will the projectile go?