Answers: 3
Physics, 21.06.2019 23:30
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
Answers: 3
Physics, 22.06.2019 15:00
Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive
Answers: 2
Physics, 22.06.2019 17:00
The force it would take to accelerate an 900-kg car at the rate of 6m/s2
Answers: 1
Physics, 22.06.2019 18:20
An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped
Answers: 2
Problem 1: A 150 kg person stands on a compression spring with spring constant 10,000 N/m and nomina...
Mathematics, 28.01.2020 16:47
Computers and Technology, 28.01.2020 16:47
Mathematics, 28.01.2020 16:47
Biology, 28.01.2020 16:47
History, 28.01.2020 16:47
Mathematics, 28.01.2020 16:48
English, 28.01.2020 16:48