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An airplane flies in a tight vertical circle. To make sure the flyer does not black out at the bottom of the circle, acceleration must not exceed 4.0 gram if the speed of the plane is 50 m/s at the circle. Determine minimum radius of circle thus that 4.0 gram limit is not exceeded.
A spherical water drop 3.7 ?m in diameter is suspended in calm air due to a downward-directed atmospheric electric field of magnitude E = 12100 N/C. find the magnitude of the gravitational force on the drop
A cube of ice is taken from the freezer at -8.7^circ C and placed in a 114 g aluminium calorimeter filled with 329 g of water at room temperature of 20.0 ^circ {rm C}. The final situation is observed to be all water at 15.0^circ C.
Three long parallel wires are 3.8cm from one another. Determine the magnitude and direction of the magnetic field at the midpoint of the side of the triangle between wire M and wire N
A container holds 0.90 g of oxygen at a pressure of 7.7 atm. a)How much heat is required to increase the temperature by 113 C at constant pressure? b) How much will the temperature increase if this amount of heat energy is transferred to the gas at c..
Use the Hubble law, the apparent visual magnitude of +12.9 and the observed redshift z = 0.158 to estimate the absolute magnitude of the quasar 3C 273 (which is the brightest quasar known). Compare the luminosity of 3C 273 with that of the Androme..
A student at another university repeats the experiment you did in lab. Her target ball is 0.860 m above the floor, What is the kinetic energy (in joules) of the target ball just after it is struck
Suppose a string of length l under a certain tension has a fundamental frequency of 120 Hz. what is the new fundamental frequency
Two capacitors are connected to a battery. The battery voltage is V = 70 V, Determine the total energy stored by the two capacitors
a diffraction grating has 350 linesmm and is illuminated at normal incidence by white light. a spectrum is formed on a
A parallel-plate capacitor has the volume between its plates filled with plastic with dielectric constant K. Use Gauss's law to calculate the magnitude of the electric field in the dielectric
Assume two waves of light in air, of wavelength 681nm, are initially in phase. One travels through a glass layer ofindex of refraction n1 = 1.46 and thicknessL. The other travels through an equally thick plasticlayer of index of refraction n2 = 1.15..
A solid bowling ball with a radius of 10.9 cm and a mass of 7.4 kg rolls along a bowling alley at a linear speed of 4.4 m/s. What is its translational kinetic energy
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