Sankey Diagrams LED light
What is the efficiency of this LED light?
10%
20%
80%
100%
Feedback?​

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg