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A prism has a vertex angle of 60° and an index of refraction of 1.52. What is the minimum angle of incidence, measured away from the vertex, for a ray of light to emerge from the other side of the prism?
You drop a 1.5 kg textbook to a friend who stands on the ground 10 m below the textbook with outstretched hands 1.50 m above the ground. What is the speed of the textbook when it reaches the hands? m/s
A person holds a ladder horizontally at its center. Treating ladder as a uniform rod of length 3.30 m and mass 7.43 kg, find out the torque the person must exert on the ladder to give it an angular acceleration of 0.405 rad/s2.
A wodden raft has a density of 0,5*10^3kg/m^3 and dimension of 3,05m*6,1m*0,305m. How deep does it sink into the water when unloaded
A refracting telescope has an angular magnification of -92.00. The length of the barrel is 1.100 m. What are the focal lengths of the objective
A certain gyroscope consists of a uniform disk with a 48 cm radius mounted at the center of an axle that is 12 cm long, what is the precession rate
A collapsible plastic bag contains a glucose solution. If the average gauge pressure in the artery is 1.4 multiplied by 104Pa, what must be the minimum height, h, of the bag in order to infuse glucose into the artery? Suppose that the specific gra..
Each of the three helicopter rotor blades shown in Fig. 10-67 is 5.20 m long and has a mass of 195 kg. The rotor is rotating at 228 rev/min. What is the total kinetic energy of rotation
An x-ray tube is operated at 40600 V. find the minimum wavelength of the radiation emitted by this tube
Assume that a proton has a mass of 3.34 × 10-27Kg and a charge of +e. It travels in a circular path with a radius 6.96mm in a magnetic field with magnitude 2.50T. Find the time required for it to make half a revolution
find the time rocket reaches the peak height of trajectory.
During the spin-dry cycle of a washing machine, the motor speeds up from 30 rad/s to 95 rad/s, What is the magnitude of the angular acceleration of the motor
one specific federal funding organization for scientific research and education is the national science foundation nsf.
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