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Physics, 31.01.2022 14:00 delvin7698
Need help ~
just an answer without explanation will work too .
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 03:50
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
Answers: 1
Physics, 22.06.2019 09:00
This is really important 1.which of the following prefixes represents the largest value? (2 points)gigahectorkilomilli2.which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)bar graphbox-and-whiskercircle graphstem-and-leaf
Answers: 1
Physics, 22.06.2019 14:40
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
Mathematics, 23.11.2021 19:30
Mathematics, 23.11.2021 19:30
Chemistry, 23.11.2021 19:30
Mathematics, 23.11.2021 19:30
Mathematics, 23.11.2021 19:30
Mathematics, 23.11.2021 19:30
Chemistry, 23.11.2021 19:30
Mathematics, 23.11.2021 19:30
Mathematics, 23.11.2021 19:30
Mathematics, 23.11.2021 19:30
Physics, 23.11.2021 19:30