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A sphere with constant velocity passes through a photogate. Determine the speed of the sphere as it passes through the photogate. Assume the beam of the photogate is aligned such that the photogate will collect data based on the sphere's diameter. Diameter = 26 mm time from photogate = 0.00749 vf?
In a nuclear experiment a proton with kinetic energy 1.5 MeV moves in a circular path in a uniform magnetic field. What energy (in MeV) must (a) an alpha particle (q = +2e, m = 4.0 u) and (b) a deuteron (q = +e, m = 2.0 u) have if they are to circ..
A circuit contains only a(n) 0.219 H inductor. An AC voltage of peak value 163 V and frequency 61.3 Hz is applied to the circuit. When the instantaneous voltage is 163 V, what is the instantaneous AC current?
A sample of serum has a mass of 54 mg and a volume of 225 cm3. What is its density in g/cm3? What would be the mass of 150 fluid ounces of this serum? What would be the volume of 1 pound of this serum?
consider a distant fixed star located directly above the orbit of the earth aroundnbspthe sun.a use the lorentz
Which of the following has the most mass: air in a 6516-ft3 house (density = 1.16 kg/m3), a 248-N bag of cement, a 75.8-kg person or a 9.71-lb cat, What is the mass of the cat
A Styrofoam box has a surface area of 0.74 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, determine the thermal conductivity of the Styrofoam
TV channel 3 (VHF) broadcasts at a frequency of 55.0 MHz. TV channel 23 (UHF) broadcasts at a frequency of 548 MHz. Find the ratio (VHF/UHF) of the wavelengths for these channels
An elderly sailor is shipwrecked on a desert island, but manages to save his eyeglasses. What is the magnifying power of the telescope he can construct with these lenses
A block of mass m = 353 g is dragged with a string across a rough horizontal table. What is the power supplied by the force of friction
An astronaut weighs 7*10^2 N on the surface of the earth (M earth=5.98*10^24 kg). What is her weight 7.70*10^6 m above the earth.
An object is placed 5 cm in front of a spherical mirror. A virtual image is formed 10 cm behind the mirror. What is the magnification of the mirror
The chemical energy releasedby burning a gallon of gasoline is approximately1.3x10^5KJ.estimatethe total energy used by all of the cars in the US during thecourse of one year. what fraction does this represent of the totalenergy by the US in one y..
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