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For a balloon ride, the balloon must be inflated with helium to a volume of 1500 m3 at sea level. The balloon will rise to an altitude of about 12 km, where the temperature is about -52 oC and the pressure is about 20 kPa. Assume the initial gas temperature and pressure to be 295 K and 1 atm.
How much helium should be put into the balloon?
Express your answer to two significant figures and include the appropriate units
A landing craft with mass 1.26×104 is in a circular orbit a distance 5.90×105 above the surface of a planet. The period of the orbit is 5600. The astronauts in the lander measure the diameter of the planet to be 9.80×106.
Two blocks hang from either end of a massless rope that runs over a pulley, treated as a thin solid disk, (An Atwood's Machine), Find the unknown mass of the block
A proton is projected in the positivexdirection into a region of uniform electric fieldE=-5.50multiplied by105iN/C att= 0. Determine the acceleration of the proton
Determine the magnetic force on an identical particle when it travels through the same magnetic field with a speed of 5.44 m/s at an angle of 32.2° relative to the magnetic field
An ideal gas at 100kPa and 0.6m3 is compressed through an isothermal process. During the process, 60kJ of heat is transferred out of the ideal gas. Determine volume and pressure at final state.
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 123 kilogram laser sensor that measures the thickness of the ice. evaluate the tension in the cable towing the sensor
Hyperthermia is one of the modalities for cancer treatment. In the procedure, the magnetic nanoparticles are injected at the tumor site which is then exposed to radio frequency electromagnetic waves. what is the inductance of the solenoid
A 0.080 T magnetic field is perpendicular to a circular loop of wire with 100 turns and radius 30cm. what is the magnitude of the induced emf
a very long solid insulating cylinder of radius a has charge distributed uniformly throughout its volume with charge
A 1600·kg car traveling with a velocity of 6·m/s north collides head-on with a 3200·kg truck traveling with a velocity of 4·m/s south. What impluse is delivered to the truck by the car
Determines increases or decreases in a series of financial statement data and indicates the level of full and transparent information provided to users of the financial statements.
a certain elevator cab in a new york hotel has a total run of 180 m. its maximum speed is 302 mmin. its acceleration
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