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Let the mass of the star be 1.98 × 1030 kilogram and the power be 8.52 × 1027 Watt. The universal gravitational constant is 6.6726 × 10-11 N m2/kg2 and speed of light is 3 × 108 m/s. The density of the black particle is 1.85 g/cm3. If the force due to the radiation pressure exactly cancels the force due to gravity, evaluate what is the radius of this particle?
A 57.0-m length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries a charge of 8.10 µC. obtain the potential difference between the two conductors
The of is accompanied by a ray of measured wavelength 2.48×10?2. What is the difference in energy between these two levels
the filament of a light bulb has a resistance of 570 . a voltage of 120 v is connected across the filament. how much
A child throws a stone from the top of a 15 m cliff with a speed of 20 m/s. find its kinetic energy and speed when it lands on the ground
A hollow sphere of radius 0.50 m, withrotational inertia I = 0.038 kgm2 about a line through its center of mass, rollswithout slipping up a surface inclined at 40° to the horizontal. At a certain initialposition, the sphere's total kinetic energy ..
A 10 microcoulomb charge is placed at the origin and a 20 microcoulomb charge is placed on the x-axis at x = 40 cm. what is the magnitude of the force it will experience
q1. an electric circular saw is designed to reach its final angular speed starting from rest in 1.40 s. its average
A ball of mass m makes a head-on elastic collision with asecond ball (at rest) and rebounds with a speed equal toone-fifth its original speed. What is the mass of the second ball
A 1.80x10^2 kg piano is being lifted at a steady speed from ground level straight up to an apartment 18.00 m above the ground. The crane that is doing the lifting produces a steady power of 4x10^2 W. How much time does it take to lift piano.
A satellites are placed in a circular orbit that is 3.64 × 107 m above the surface of the earth. What is the magnitude of the acceleration due to gravity at this distance
An incandescent light bulb is rated at 100 W when the applied voltage is 120 V. find the resistance of the bulb when it is operating
cWe are depositing NiCr fim on a Si wafer for a MEMS device. We measure a stress of the film of 600 MPa using X-Ray diffraction. The film was deposited at 80 C. If there is no externally applied stress ( eg. Deformation), (a)What would the intrinsic ..
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