Applied science Unit 2
Which graphs show the correct relationship between kinetic energy and mass?
Diagonal right
energy of motion of particles in a substance
Thermal Energy
stored energy related to positions of atoms with in molecules
Chemical Energy
A worker is holding a filled gas cylinder still. Which two sentences are true about the energy of the filled gas cylinder?
It has gravitational potential energy because of its height. Its atoms and molecules have thermal energy
energy related to an object's movement
Motion Energy
energy released when a nucleus splits or combines
Nuclear Energy
Which example best represents translational kinetic energy?
an apple falling from a tree
Which form of energy increases when a spring is compressed?
elastic potential energy
potential energy.
energy of a compressed spring energy of coal
kinetic energy
energy of guitar string when plucked energy from a flashlight when on
When a pendulum is held high and taut and then is released, the pendulum begins to swing. What's the correct order of the energy transformations in this example? (PE stands for potential energy.
gravitational PE → kinetic energy → thermal energy
energy related to height
gravitational potential Energy
Which two forms of energy does a hairdryer convert electric energy into?
motion energy thermal energy
The image shows street lights powered by solar panels. Which sequence shows the energy transformations taking place in these lights?
radiant energy → electric energy → radiant energy
energy generated by vibration of a string
sound Energy
