Physics, 12.02.2021 03:10, matthew6889
A 12000km de altura, un cuerpo pesa 45kg ¿Cuál es su peso en la superficie de la tierra?
Answers: 2
Physics, 22.06.2019 05:00, heavyhearttim
Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?
Answers: 1
Physics, 22.06.2019 19:30, isiahb123
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
Physics, 23.06.2019 19:00, student0724
Bradley was working in the lab. he accidentally poured a container of concentrated hydrochloric acid into his container of distilled water. not thinking much of it, he continued with his work as if nothing happened. which of these would be the result of this laboratory accident? a) the water will change to a bright pink color. b) the new solution would decrease in temperature. c) the solution has now become a good conductor of electricity. d) hcl and water have the same chemical and physical properties, so nothing would happen.
Answers: 2
A 12000km de altura, un cuerpo pesa 45kg ¿Cuál es su peso en la superficie de la tierra?...
Computers and Technology, 25.07.2019 18:30
History, 25.07.2019 18:30
Biology, 25.07.2019 18:30
Mathematics, 25.07.2019 18:30