Physics, 22.10.2020 19:01 priscillavaladez1112
A meter stick has a mass of 0.24 kg and balances at its center. When a small chain is suspended from one end, the balance point moves 12.0 cm toward the end with the chain. Determine the mass of the chain.
Answers: 3
Physics, 21.06.2019 21:00
State the right hand rule of the direction of magnetic field in a conductor carrying current
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Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ฯ resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ฯ.
Answers: 3
Physics, 23.06.2019 04:31
The radioactive isotope of lead, pb-209, decays at a rate proportional to the amount present at time t and has a half-life of 3.3 hours. if 1 gram of this isotope is present initially, how long will it take for 80% of the lead to decay? (round your answer to two decimal places.)
Answers: 2
A meter stick has a mass of 0.24 kg and balances at its center. When a small chain is suspended from...
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