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A balloon is filled with 5.45 liters of helium at a pressure of 1.35 atm and a temperature of 24.0° C.
a) Discover the mass of the helium.
b) Discover the buoyant force on the balloon if it is placed in the atmosphere with air pressure at 1.00 atm and temperature at22.5° C.
c) Discover the acceleration of the balloon if the rubber has a mass of 4.00 g.
A certain toaster has a heating element made of Nichrome resistancewire. When the toaster is first connected to a 110 V source of potential difference (and the wire isat a temperature of 20.0°C), the initial current is1.7 A
The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion
Calculate the total angular momentum of our Moon relative to the center of the Earth. You may assume that the Moon is a uniform sphere
the flow rate of blood through a 2.10x10^-6 m radius capillary is 4.07x10^-9 cm^3/s. what is the speed of the blood flow
a 2.30 l sample of neon at 5.35 atm is added to a 10.0 l cylinder that contains argon. if the pressure in the cylinder
Two large, parallel, conducting plates are 26cm apart and have charges of equal magnitude and opposite sign on their facing surfaces. An electrostatic force of 2.8 x10-15 N acts on an electron placed anywhere between two plates.
question two bumper cars of equal mass m700 kg collide head-onelastically. car 1 was moving to the right at 1.5 ms
A 21.0 ohm bulb is connected across the terminals of a 12.0v- battery having 4.50 ohm of internal resistance. What percentage of the power of the battery is dissipated across the internal resistance and hence is not available to the bulb?
The suspension cables on the Brooklyn Bridge are 15.75 in. diameter wire ropes. Estimate the total drag force on one of the cables in a 40 mph wind if the length of one cable is about 3000 ft and the air temperature is 70o F.
A firecracker explodes in reference frame S at t = 2.0 s . A second firecracker explodes at the same position at t = 5.0s . In reference frame S', What is the position of the two explosions in frame S
Provides the option of exploring the raydiagram that applies to this problem. The distance between anobject and its image formed by a diverging lens is 8.30 cm. Thefocal length of the lens is -3.70 cm. Find (a) theimage distance and (b) the object di..
Consider the following reaction: where has a mass of 14.003 074 u; has a mass of 12.000 000 u; d has a mass of 2.014 102 u; How much energy is released in this reaction
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