The transfer of thermal energy between objects that are touching is known as what?
What is conduction?
100
What are the 3 mechanical waves?
What is surface, longitudinal, and transverse?
100
What are 3 factors that affect resistance?
What is temperature,thickness, and length?
100
A small 20-kilogram canoe is floating downriver at a speed of 2 m/s. What is the canoe’s kinetic energy?
What is 40 joules?
200
Work is the transfer of what?
What is energy?
200
What is the name of a material that conducts thermal energy?
What is a thermal conductor?
200
What is the highest point of a wave above its rest position called?
What is a crest?
200
What are the 2 types of current?
What is alternating and direct current?
200
A wave has a wavelength of 10 mm and a frequency of 5 hertz. What is its speed?
What is 50 mm/s?
300
Energy that is stored as a result of position or shape.
What is potential energy?
300
What is the transfer of energy by waves moving through space?
What is radiation?
300
A crest on a transverse wave corresponds to what on a longitudinal wave?
What is a compression?
300
What would happen to a second bulb on a series circuit if the bulb burned out?
What is it wouldn't work?
300
A 4-kilogram cat is resting on top of a bookshelf that is 3 meters high. What is the cat’s gravitational potential energy relative to the floor if the acceleration due to gravity is 9.8 m/s2?
What is 118 joules?
400
Energy that is stored in gasoline is what energy?
What is chemical energy?
400
What law of thermodynamics states that energy can only flow from colder objects to hotter object only if work is done on the system?
What is the second law of thermodynamics?
400
What happens to the wavelength as you increase the frequency of a wave?
What is decreases?
400
What are the 3 ways that static electricity can charge?
What is friction, contact, and induction?
400
A 13-kg sled is moving at a speed of 3 m/s. At which of the following speeds will the sled have twice as much kinetic energy?
What is 4.2 m/s?
500
The energy associated with motion and position of everyday object.
What is mechanical energy?
500
What is the transfer of energy when particles of a fluid move from one place to another?
What is convection?
500
What is the speed of a wave that has a wavelength of 20 meters and a frequency of 20 hertz?
What is 400 m/s?
500
The strength of a field depends on what?
What is the strength of the field and the distance of the charge?
500
What is the kinetic energy of a 72-kg sky diver falling at a terminal velocity of 79 m/s?