5.3b Une fête de famille Flashcards

Complete the following statements:
The pulmonary and aortic valves open when the pressure in the __________ exceeds the pressure in the pulmonary trunk and aorta.

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physics

The magnetic flux that passes through one turn of a 12-turn coil of wire changes to 4.0 from 9.0 Wb in a time of 0.050 s. The average induced current in the coil is 230 A. What is the resistance of the wire?

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physics

A charge of $6 \mathrm{nC}$ is placed uniformly on a square sheet of nonconducting material of side $20 \mathrm{~cm}$ in the $y^2$ plane. $(a)$ What is the surface charge density $\sigma$ ? $(b)$ What is the magnitude of the electric field just to the right and just to the left of the sheet? (c) The same charge is placed on a square surface charge density $\sigma$ ? (Assume that the charge distributes surface charge density $\sigma$ ? (Assume that the charge distributes magnitude of the electric field just to the right and just to the left of each face of the slab?

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physics

An automobile accident causes both the driver and passenger front airbags to deploy. (a) If the vehicle was traveling at a speed of $88.6 \mathrm{~km} / \mathrm{h}$ and is now at rest, find the change in momentum for both the $68.4-\mathrm{kg}$ adult driver and the $34.2-\mathrm{kg}$ child passenger. (b) The adult took $0.564 \mathrm{~s}$ and the child took $0.260 \mathrm{~s}$ to come to rest. Calculate the force that the airbag exerted on each individual. Describe why airbags tend to be dangerous for children.

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5.3b Une fête de famille

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