In pulling two identical carry-on bags through the airport, Mr. Beall and his 7 year old son, Jamesdo the same amount of work. Who has to apply a greater force to the bags?

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units

(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.