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The fan blades on a jet engine make one thousand revolutions in a time of 81.8 ms.
(a) Determine the period (in seconds).
s
(b) Determine the frequency (in Hz) of the rotational motion.
Hz
(c) What is the angular frequency of the blades?
rad/s
At the position of the negative charge, what is the magnitude of the electric field due to the three positive charges? What is the magnitude of the attractive force on the negative charge
A cricket ball is bowled at a speed of 144 km/hr. suppose the ball diameter is 70 mm and a drag coefficient 0.45, estimate the drag force in newtons which would be acting on the ball.
Although both stars probably formed from the same clump of gas, more massive one must have had its birth slowed so that it became a key -sequence star millions of years later than its less massive companion.
Two electrons are confined in an extremely thin wire of length a. You may treat this wire as a one-dimensional infinite potential well. What is the energy of the ground state
Two polarizers are oriented at 30.0 degrees to one another. Light polarized at a 15.0 degree angle to each polarizer passes through both
Two thin lenses with a focal length of magnitude 15.0cm , the first diverging and the second converging, are located 11.3cm apart. How far from this first lens is the final image formed
What is the wavelength of the second laser that would place its second maximum at the same location as the fourth minimum of the first laser, if = 0.300 ?
Captain Planet measures the magnetic forces on a proton which is vertically falling at 1996. m/s at the equator, What FORCE would she measure
two converging lenses, each of focal length 15.0 cm, are placed 40cm apart, and object is placed 30cm in front of the first. what is the magnification of the system
Find a Compact Disk. find a white light source and see if you can convince yourself that you are looking at the reflection of the light source as seen in the first order m = 1 maxima, estimate the spacing between the tracks of a CD
A plum is located at coordinates (-9.66 m, 0, 2.67 m). In unit-vector notation, what is the torque about the origin on the plum
A person pushes a 12.3-kg shopping cart at a constant velocity for a distance of 16.5 m on a flat horizontal surface. calculate the work done by the pushing force
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