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Consider a book of mass 10 kg on a frictionless incline that makes an angle of 40? with the horizontal. Use a coordinate system in which +x is down the inclined surface and +y is perpendicular to and away from the inclined surface.
A) Find the components of the gravitational force acting on the book.
B) Find the normal force exerted on the book by the incline.
C) Find the acceleration of the book down the incline.
A simple generator has a 620-loop square coil 21cm on a side. How fast must it turn in the 0.690 T field to produce a 140 V peak output.
A meteorologist tracks the movement of a thunderstorm with Doppler radar, What is the direction of the average velocity of the storm
How much time take for the package to reach the ground.
unpolarized light with an intensity Io=16 W/m2 is incident on a pair of polarizers. what is the intensity of light transmitted through the first and second polarizer
Two conductors having net charges of +19.0 µC and -19.0 µC have a potential difference of 19.0 V between them. Determine the capacitance of the system.
Two blocks are connected by a very light string passing over a massless and frictionless pulley, Find the total work done on 20.0-N block if ?s=0.500 and ?k=0.325 between the table and the 20.0-N block
Objective questions based on work, energy, power.
Find the power factor for an RC circuit connected to a 70.0Hz generator with an rms voltage of 155 V
A 2-slit experiment is performed with light of wavelength 589nm. Fringes are measured on a screen 1.50m away from the slits, What is the separation between the slit
A bicyclist starts from rest at the top of a hill and rolls down the hill without pedaling. what is the bicyclist's speed at the bottom of the hill
a 12.0 kg mass lies at x=-80.0 cm. A 21.0 kg mass is at x= 70.0 cm. The 12.0 kg mass is not moved to a different point on the x-axis. There is not a zero net force on the 10.0 kg mass. What is the new location of the 12.0 kg mass
at a given instatn in time, a traveling EM wave is noted to have its maximum magnetic field pointing west, what are the maximum values for the two fields
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