What is the change in internal energy if 20 J of heat is released from a system and the system does 50 J of work on the surroundings?
Use AU = Q-W.

the answer would be a

f is prop to m1xm2 double m1 double force

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this

hi,

what occurs during a solar eclipse?

there are small tides across earth.

the moon is between earth and the sun.

p.s. im not sure if the first answer is correct because during a solar ecliphse there are spring tides and i dont know if they are the same.