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Question: (a) At room temperature what is the strength of the electric field in a 12-gauge copper wire (diameter 2.05 mm) that is needed to cause a 2.75-A current to flow?
Question (b) What field would be needed if the wire were made of silver instead?
A parallel-plate capacitor in air has a plate separation of1.37 cm and a plate area of 25.0cm2. The plates are charged to a potential difference of268 V and disconnected from thesource. The capacitor is then immersed in distilled water. Assumethat..
What minimum constant acceleration does the aircraft require if the aircraft is to be airborne after a takeoff run of 222m.
Consider three capacitors, of capacitance 2860 pF, 4570 pF, and 0.0011 ?F. what are the maximum and minimum capacitances that you can form from these
question1adjust the solution process discussed in class for uniform slow viscous flow past a sphere to the case of flow
A spacecraft is in a circular Earth orbit at an altitude of 5300km . By how much will its altitude decrease if it moves to a new circular orbit
What is final speed of the block
What is an average magnitude of the Pointing vector 5.0miles from a radio transmitter broadcasting isotropically with an average power of 250-kW?
Two masses traveling at the same speed v0 collide head on. Nothing is known about collision other than that it is not completely inelastic.
Three negative charges of equal magnitudes are positioned along the x-axis at x = -a, x=0, and x = +a respectively. The charge located at x=0 is moved away along the y-axis to a position (x,y) = (0, +a). How does the potential energy of the system..
If an automobile rounds this curve at 30 {rm m/s}, illustrate what is the minimum coefficient of static friction between tires and road needed to prevent skidding?
An automobile club plans to race a 780 kg car at the local racetrack. The car needs to be able to travel around several 170 m radius curves at 85 km/h. What must the banking angle of the curves be so that the force of the pavement on the tires of the..
A spring of constant 290 N/m is used to launch a 1.2 kg block along a horizontal surface whose coefficient of sliding friction is 0.27
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