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Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10-2 cm, mounted coaxially within a cylindrical anode with a radius of 0.5580 cm. The potential difference between the
Clyde pushes from behind with 445{rm N} of force while Bonnie pulls forward on a rope with 325{rm N} of force. What is the coefficient of friction of the safe against the floor?
Bonnie and Clyde are sliding 370 {rm kg} bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 390 {rm N} of force while Bonnie pul
To better comprehend the magnitude of current extinctions, it will be necessary to?
A shotputter throws the shot with an initial speed of 15.9m/s at a 36.0 angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height o
A 66.0-{rm kg} person stands on a scale in an elevator.What does the scale read (in {rm N}) when the elevator is at rest? What does the scale read (in {rm N}) when the elevator is climbing at a cons
If the composition of the upper atmosphere were changed to permit a greater amount of terrestrial radiation to escape, what effect would this have on Earth's climate?
A stone hangs by a fine thread from the ceiling, and a section of the same thread dangles from the bottom of the stone. If a person gives a sharp pull on the dangling thread, where is the thread li
An electron rotates in a circula orbit about a heavy fixed proton. the radius of the orbit is 10^-8 cm. Find the velocity of the electron.
It has 40 gallons of gasoline in its tanks and the passengers and pilot weigh 340 lbs. How much water is displaced given that the weight density of gasoline is 5.67 lbs/gal?
For your science fair project you need to design a diffraction grating that will disperse the visible spectrum (400-700 nm) over 30 degrees in first order.
A 380 kg piano slides 3.9m down a 27 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Determine the force exerted by the man
According to the Hardy-Weinberg rule, if the frequency of an allele in a population at genetic equilibrium is 0.45, what will the frequency of that allele be in the next generation?
Parallel-plate capacitor is made from two plates 12.0 {rm cm} on each side and 4.50 {rm mm} apart. Half of the space between these plates contains only air, but the other half is filled with Plexig
A viewing window in the Atlanta aquarium is 69 inches wide and 41 inches high. If the average pressure of the water inside the tank is 17.3 psi, what is the outward force on the window?
What is the total electric potential at the center of the square?
A capacitor is connected to an ac generator that has a frequency of 2.4 kHz and produces a rms voltage of 2.5 V. The rms current in the capacitor is 32 mA.
A block with mass m = 19.0 kg slides down an inclined plane of slope angle 17.8 ° with a constant velocity. It is then projected up the same plane with an initial speed 1.35 m/s. How far up the
If you have a pair of glasses and you bend the nose pieces so that they now are a half of centimeter further from your eyes, do they still work the way they are designed? Explain your reasoning.
In 1845, Dutch scientist Christoph Buys-Ballot developed a test of the Doppler shift. He had a trumpet player sound a note at 455 Hz, while riding on a flatcar pulled by a locomotive. At the same t
Consider a coolant in laminar flow in a circular tube. The one-dimensional velocity is given by v = vmax[1-(r/R)^2]iz (iz and v are vectors) where vmax = 2.0 m/s; R = radius of the tube = 0.05 m; iz
Bob walks 360 south, then jogs 810 southwest, then walks 360 in a direction 286east of north Use either trigonometry or components to find the displacement that will return Bob to his starting poin
A jet of water is directed at a vane that could be a blade in a turbine. The water leaves the nozzle with a speed of 15 m/s and mass flow of 250 kg/s; it enters the vane tangent to its surface (in t
If a person has eyes that have weak lenses (too long of a focal length), what type of lens do they need to have to correct their vision? Sketch how the rays of light would be now focused on their r
Two parallel plate capacitors are identical, except that one of them is empty and the other contains a material with a dielectric constant of 4.2 in the space between the plates. The empty capacitor