Physics, 25.12.2019 05:31, haileyrae187
Ablock of mass m is released from rest at a height r above a horizontal surface. the acceleration due to gravity is g. the block slides along the inside of a frictionless circular hoop of radius r. which one of the following expressions gives the speed of the block at the bottom of the hoop?
Answers: 1
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
Ablock of mass m is released from rest at a height r above a horizontal surface. the acceleration du...
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