Physics, 16.07.2019 04:20 lefarrioe8621
On a hot summer day, you decide to make some iced tea. first, you brew 1.50 l of hot tea and leave it to steep until it has reached a temperature of ttea = 75.0 ∘c. you then add 0.975 kg of ice taken from the freezer at a temperature of tice = 0 ∘c. by the time the mix reaches equilibrium, all of the ice has melted. what are the interacting systems in this problem?
Answers: 2
Physics, 22.06.2019 12:30
Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?
Answers: 1
Physics, 22.06.2019 18:00
Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.
Answers: 2
Physics, 23.06.2019 04:31
Ahockey puck sliding along frictionless ice with speed v to the right collides with a horizontal spring and compresses it by 3.0 cm before coming to a momentary stop.
Answers: 2
On a hot summer day, you decide to make some iced tea. first, you brew 1.50 l of hot tea and leave i...
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