PLEASE HELP The flux through the coils of a
solenoid changes from
2.57*10^-5 Wb to 9.44*10^-5 Wb
in 0.0154 s. If 4.08 V of EMF is
generated, how many loops does
the solenoid have?
(No unit)

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An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above

Ascientific blank must be testable and capable of being proven false?

The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).