Ned is emptying the dishwasher. He removes a 0.20 kg glass that has an initial temperature of 30C (c = 840 J/kgC). Into it he pours 0.10 kg of diet soda (c = 4200 J/kgC) which comes out of the fridge at 5C. Assuming no external heat loss, what is the final equilibrium temperature of the glass of diet soda?

Un jugador de beisbol batea un foul recto en el aire. la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?