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Questions:
1) What is the resistance if you run 10 volts and 5 amps on a circuit?
2) Explain why the cross sectional area is important when determining the materials resistivity.
3) Explain why the voltage and resistance will change depending on the length of the material.
4) What happens to the resistor as the current is left running for a long period of time? What will the results of the experiment be if you did leave the current running?
The pilot of an airplane notes that the compass indicates a heading due west. The airplane's speed relative to the air is 120 km/h. Find the velocity of the airplane relative to the ground
If the hydrogen atoms undergoes a transition between these states, it emits a photon with a characteristic wavelength of 21 cm. What is the energy difference between the 2 states
A particular satellite was placed in a circular orbit about 145 mi above Earth. Determine the time required for one complete revolution
A huge explosion is heard 58.8 miles away. How long does it take the sound to travel that far? (Assume ambient air temperature is 20oC.) Record your answer to then earest whole second. No decimal places in your answer. Be careful of your units.
what is the maximum mass it can support in freshwater. find the maximum height of the projectile is equal to its horizontal range.
A bullet is shot vertically up with v0 from ground level. The definition of vertical is by a plumb bob, find the location where the bullet returns to the ground
A 2.16 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320 m. The spring has force constant 840 N/m.
In a particular Compton Effect experiment, it is observed that the wavelength of the scattered photon is equal to two times that of the incident photon when the photon detector is placed at Θ =60o. What is the wavelength of the incident photon
When an ion accelerates through a potential difference of 2240V, What is the charge on the ion
At a distance of 10 Km, a 100 Hz horn, assumed to be anisotropic point source, is barely audible. At what distance wouldit begin to cause pain
We have a hollow metallic sphere with charge -5.0 µC and radius 5.0 cm. What charge now rests on the outer surface of the sphere
an airplane flies 200 km due west from city a to city b and then 285 km in the direction of 32.5deg north of west from
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