Physics, 13.07.2019 21:20 moutchyjoseph
Tf a circuit is a device which stores electrical energy in solid conductors, protons carry the charge through the circuit ohm's law states that the greater the voltage across a circuit, the greater the 7. t f t 8. f amount of current that will flow through the circuit. 9. tfdirect current always moves in one direction. o. t f a charged rod cannot charge another object unless the rod physically touches the object. answer the following questions by writing on the blank lines the letter(s) of the word or phrase that best complete(s) the statement or answers the question. choose only one answer unless a particular question indicates otherwise. which of the following statements are true? (choose as many as apply.) (a) like charges attract. (b) like charges repel. (c) an electron attracts a proton. (d) an electron attracts a neutron. (e) a proton repels a neutron. which of the following statements are true? (choose as many as apply.) atoms which have (a) an equal number of electrons and protons are positively charged (b) an equal number of electrons and protons have no charge (c) more protons than electrons are positive ions (d) more electrons than protons are negative ions. 12. (over) 2494-2
Answers: 3
Physics, 22.06.2019 02:00
Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules
Answers: 2
Physics, 22.06.2019 02:30
Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?
Answers: 1
Physics, 22.06.2019 04:00
Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.
Answers: 2
Physics, 22.06.2019 11:20
The ultracentrifuge is an important tool for separating and analyzing proteins. because of the enormous centripetal accelerations, the centrifuge must be carefully balanced, with each sample matched by a sample of identical mass on the opposite side. any difference in the masses of opposing samples creates a net force on the shaft of the rotor, potentially leading to a catastrophic failure of the apparatus. suppose a scientist makes a slight error in sample preparation and one sample has a mass 10 mg larger than the opposing sample. if the samples are 12 cm from the axis of the rotor and the ultracentrifuge spins at 70,000 rpm, what is the magnitude of the net force on the rotor due to the unbalanced samples? ( be thorough on your answer)
Answers: 3
Tf a circuit is a device which stores electrical energy in solid conductors, protons carry the charg...
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