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What is the total charge of the radon nucleus? (The neutral radon atom has 86electrons.)
What is the magnitude of the forceon an electron at a distance of 2.36 Angstrom from the radonnucleus?
A heat pump has a coefficient of performance of 3.85 and operates with a power consumption of 6.91 103 W. How much energy does it deliver into a home during 2 h of continuous operation? How much energy does it extract from the outside air?
two point charges are on the y axis. A 3.50 uc charge is located at y=1.1cm, and a -2.16 uc charge at y=-1.4cm. find the total electric potential at origin in volts
A bat is emitting a sound of 39KHz frequency while flying toward a flat wall. The bat is moving at1/50 of the speed of sound which is 343m/s. What freq does the bat hear reflected off the wall
The volume of 9 mol of a monatomic gas is increased from 3 L to 6 L at constant pressure. The initial temperature of the gas is 31?C. How much heat must be supplied to the gas
In one design, a large spring with spring constant 2×10^4 N/m was placed behind the cannon. The other end of the spring braced against a post that was firmly anchored to ship's frame.
Two pieces of steel wire with identical cross sections have lengths of L and 2L. what is the frequency of the second harmonic in the longer wire
The helicopter view in the figure below shows two people pulling on a stubborn mule. What is the single equivalent force magnitude and direction
A solid ball of mass 2.6 kg and diameter 21 cm is rotating about its diameter at 80 rev/min. what is the new angular speed of the ball
A system does 112 J of work on its environment and gains 72 J of heat in the process. What is the change in the internal energy of the environment
The coefficient of volume epansion for diesel is 9.5*10 to the power of negative 4 degrees celcius an the coefficient of linear expansion for the steel truck is 11 times 10 mto the power of negative 6 degrees celcius.
The pressure of a monatomic ideal gas () increases by a factor of 2.15 during an adiabatic compression. What is the ratio of the final volume to the initial volume
Assume that 36% of the body of a person floating in the Dead Sea will be above the water line, Find the density of the water in the Dead Sea
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