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Two stars 15 light-years away are barely resolved by a 67 -cm (mirror diameter) telescope.
Part A:
How far apart are the stars? Assume λ=550nm and that the resolution is limited by diffraction.
At what angle should the axes of two Polaroids be placed so as to reduce the intensity of the incident unpolarized light to 1/5
Part B:
At what angle should the axes of two Polaroids be placed so as to reduce the intensity of the incident unpolarized light to 1/15?
For t
A Single Turn, Square Loop A 0.408 m length of wire is formed into a single-turn, square loop in which there is a current of 14.3 A. What is the maximum torque that the loop can experience
vertically polarized light with an intensity of 40 wm2 passes through a polarizer whose transmission axis is at an
Find the angle of the first order maximum. what horizontal distance does it travel before it lands on building.
A 21.0 kg child on a 1.00 m long swing is released from rest when theropes of the swing make an angle of 33.0° with the vertical. Neglecting friction, find the child's speed at the lowest position.
Two bullets have masses of 2.9 gand 4.2 g, respectively. Each is fired with a speed of 42.0m/s. What is the kinetic energy ofthe first bullet?
The machinist likes to listen to music, and plays a Boom Box at an average level of 82.0 dB. Calculate the INCREASE in the sound level from the ambient work environment level (in dB) when the boom box is playing as described.
What effect does this have on the mass of the ice? What effect does this have on the amount of water displaced? Is this a concern, or will your measured mass still be correct if air bubbles are present?
A 1.2 µF capacitor has an electric field of 0.8x105 V/m between two metal plates 1.1 mm apart. What is the energy stored on the capacitor
If it does, how much kinetic energy is left, if it does not, how far from the edge does it stop?
Apply Gauss s law to determine the magnitude and direction of the electric field at the radial point. r = 30 cm from the common center of spheres.
A flash light is at the bottom of a 2m deep pool. Find the critical angle of incidence for the light that is trapped or reflected back
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