Physics, 22.04.2021 18:40 zaratayyibah
a ball of mass 6.2 kg is hanging from a very light flexible wire of length 1.21 m when it is struck by a stone of mass 0.39 kg travelling horizontally to the right at 5.53 m/s. The stone rebounds to the left with a speed of 17.9 m/s, and the ball swings up. What is the maximum height above its original level
Answers: 1
Physics, 22.06.2019 08:30, fernandoramirez086
Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
Answers: 3
Physics, 22.06.2019 16:30, skiddymark3ox93za
Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?
Answers: 2
Physics, 22.06.2019 18:30, Natasha019
Which word expression describes how much to calculate pressure
Answers: 1
a ball of mass 6.2 kg is hanging from a very light flexible wire of length 1.21 m when it is struck...
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