If the frequency of a given wave is quadrupled, what will happen to the wavelength? (give me an exact explanation)
It will be reduced by 1/4
100
What is the difference between weight and mass?
Mass is a measure of matter
Weight is the gravitational force acting on an object (ma)
100
What is the law of conservation of energy
Energy cannot be created or destroyed. It can only be transferred.
100
Why does your bowl burn your hands when you take it out of the microwave, but your soup is freezing cold?
They have different specific heats
200
Mr. Beier is sitting in an old john boat fishing. If his boat bobs up once every 2 seconds, what is the frequency of the water wave?
.5 Hz
200
If Brad Pitt and Angelina Jolie are standing on the dance floor 20 meters apart, what will happen to the attractive force (gravity) acting on both of them if they move so that they are 40 meters apart?
It will be reduced by 1/4
200
An 86 kg cliff diver falls off a 10 meter surface. Determine their kinetic energy the instant before they hit the surface of the water.
8428 Joules
200
Why does the handle of your skillet get super hot even though it is not over the flame of your oven (use a specific type of heat transfer to explain this)
The handle heats by conduction.
300
What is the amplitude of the following sine wave?
400 meters.
300
If a person weighs 1,000 N on the surface of the earth, will there be a substantial change in their weight if they moved 30 miles above the surface of the earth? (the diameter of the earth is 7,918 miles)
There will be an ever so slight change.
300
The Berlin wall was 3.6 meters tall. Determine the potential energy of a 10kg brick sitting on top of the wall.
352.8 Joules
300
Why is it that you feel warm next to a fireplace?
convection
400
What is the frequency of the sine following sine wave?
1/20 Hz
400
A golf ball and a tennis ball are set 2 meters apart in space. What will happen to the gravitational attractive force between them if Mr. Beier filled the tennis ball with some liquid that perfectly doubled its mass.
It will double.
400
The Great wall of China is 8 meters tall. If Mr. Beier drops a .625 kg basketball from the top of the wall (ignoring air resistance), what was the velocity of the ball the instant before it made contact with the ground?
12.52 m/s
400
When you are measuring the temperature of a classroom with a thermometer, what are you actually measuring?
The heat of the mercury
500
What is the wavelength of a wave that has a frequency of 1/4 and a speed of 4m/s
8 meters
500
What is the gravitational force acting on the ISS and the earth? G=6.67x10^-11
The space station has a mass of 370,131 kilograms
The earth has a mass of 5.972 x 10^ 24 kg
the ISS is 6701 km from the center of the earth
2.2 x 10^13 J
500
The Willis Tower (formerly known as the Sears tower) is 527 meters tall. Ignoring air resistance (you do not have to worry about terminal velocity) if Mr. Beier drops a 2.5 gram penny off the top, at what height is the potential energy of the penny equal to the kinetic energy of the penny?
263.5 meters
500
What type of energy transfer heats Mr. Beiers car during the day?