Physics, 29.07.2019 11:20 unkownperson030
In which activity is no work done? a. lifting a book b. holding a brick c. climbing stairs d. pushing a shopping cart
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Physics, 22.06.2019 08:30
What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force
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Physics, 22.06.2019 09:00
As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy
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Physics, 22.06.2019 16:30
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, 23.06.2019 02:30
What are two examples of phase changes that skip a phase during transition?
Answers: 1
In which activity is no work done? a. lifting a book b. holding a brick c. climbing stairs d. pushi...
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