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Two stars are 2.0 x 1011 m apart and are equallydistant from the earth. A telescope has an objective lens with adiameter of 1.57 m and just detects these stars as separateobjects. Assume that light of wavelength 640 nm is being observed.Also, assume that diffraction effects, rather than atmosphericturbulence, limit the resolving power of the telescope. Find the maximum distance that these stars could be from the earth.
In the arrangement shown below, an object can be hung from a string (with linear mass density ?= 0.002 00 kg/m) that passes over a light pulley. What is the frequency of the vibrator
A dentist uses a small mirror of radius 44mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 13 mm from the tooth, what is magnification of the image.
At this point, he throws a 39 yard forward pass straight down the field. Illustrate what is the magnitude of the football's resultant displacement?
a styrofoam cooler is in the shape of a rectangular box. its interior dimensions are 30times40times60 cm. its walls are
a solid aluminum ingot weighs 89n in the air. the ignot is suspended from a rope and totally immersed inn water. what is the tension in the rope
An empty capacitor is capable of storing 1.0 × 10-4 J of energy when connected to a certain battery. If the distance between the plates is halved and then filled with a dielectric, how much energy could this modified capacitor store when connected..
A projectile is fired from point 0 at the edge of a cliff, with initial velocity components of v0x=60 m/s and v0y=175 m/s, What is the magnitude of the velocity of the projectile 21.0s after it is fired
Three charges, q1=2.0x10^-8 C, q2= -3.0x10^-8 C, and q3= -4.0x10^-8 C, are located on the y-axis, Find the resultant force exerted on the third charge q3 by the other two charges
For this discussion explain how you are able to see in three dimensions. What do you look for? If you can't see in three dimensions what could you do to code an image so you could get a sense of depth. For instance what could you do with a radial ..
A ballistic pendulum consists of an arm of mass M and length L = 0.51 m. One end of the arm is pivoted so that the arm rotates freely in a vertical plane. Initially, the arm is motionless and hangs vertically from the pivot point.
A rod of 2.0-m length and a square (2.0 mm x 2.0 mm) cross section is made of a material with a resistivity of 6.0 x 10 ^-8 ohms m. What is heat generated in the rod
A boat with a horizontal tow rope pulls a water skier. how much work does the rope do on the skier during a forward displacement of 310
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