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A spherical balloon has a radius of 7.35m and is filled with helium. The density of helium is 0.179 kg/m^3, and the density of air is 1.29 kg/m^3. The skin and structure of the balloon has a mass of 990kg . Neglect the buoyant force on the cargo volume itself.
Determine the largest mass of cargo the balloon can lift.
When an ion accelerates through a potential difference of 2240V, What is the charge on the ion
Assume that a binary star system consists of two stars of equal mass. They are observed to be separated by 310 million kilometres and take 4.0 Earth years to orbit about the point midway between them.
A circular coil of wire 8.40cm in diameter has 16.0 turns and carries a current of 2.60A . The coil is in a region where the magnetic field is 0.580 T, What is this maximum torque in part (A)
What are the velocities of the two people after the snowball is exchanged? Disregard friction between skate and the ice.
A beam of blue light of wavelength 500 nm has an intensity of 170 W/m^2, How many photoelectrons are emitted from the potassium plate per second
A single conservative force acts on a 5.30-kg particle within a system due to its interaction with the rest of the system, calculate the work done by this force on the particle
Two small metallic spheres, each of mass 0.20g, are suspended as pendulums by light strings from a common point.
A person's prescription for her new bifocal glasses calls for a refractive power of -0.461 diopters in the distance-vision part, & a power of +1.83 diopters in the close-vision part. Compute the near & far points of this person's uncorrected visio..
A 3.00 kg block of wood sits on a table. A 3.00 g bullet, fired horizontally at a speed of 550 m/s, goes completely through the block, emerging at the speed of 190 m/s. What is the speed of the block immediately after bullet exits.
A small object with a mass of one gram carries a charge of 1µC and is suspended by a thread between the vertical plates of a parallel-plate capacitor submitted to a voltage of 1 kilo volts
A 1.78 m long wire carrying a current of 1.65 A forms a 5-turn loop in the shape of an equilateral triangle. determine the maximum torque that acts on it
A long, straight wire runs along the axis of the solenoid, carrying a current of 15. Find out the magnitude of the net magnetic field a radial distance of 0.80 from the straight wire.
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