Physics, 30.05.2021 23:50 Bethany0323
Two identical cells each of e. m.f 2v and internal resistance 1.0Ω are connected in parallel. The combination is connected to an external load of 1.5Ω calculate the current in the circuit draw the circuit diagram
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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?
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Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative
Answers: 3
Two identical cells each of e. m.f 2v and internal resistance 1.0Ω are connected in parallel. The co...
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