Ultimate Physics Study Guide - Questions & Answers

the electrical phenomena that work against the accurate transmission of signals are called .
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how fast a relative to an observer does an empire ship have to travel for its marking to be confused
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what is the isolation and initial evacuation distance for this material since it is on fire?
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given the data, what is the kinetic energy of the system before and after in this elastic collision?
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calculate the height of the coulomb barrier for the head-on collision of two deuterons. take the effective radius of a deuteron to be 2.1 fm.
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calculate the centripetal force on the end of a 52.0 m (radius) wind turbine blade that is rotating at 0.42 rev/s. assume the mass is 3.8 kg.
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refer to the previous problem. if the laser beam has a wavelength of 630 nm, what is the maximum value of the b field propagated in the beam?
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calculate the eccentricity for the planet if the distance between foci is 5,000,000 km and the distance of the major axis is 299,000,000 km.
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at which two positions will an observer in the state of michigan experience approximately 12 hours of daylight during one rotation of earth?
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a gas cloud or a planet with a gaseous atmosphere passes between earth and a star. what can be used to determine the composition of the gas?
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a particle moves in a straight line with an initial velocity of 30 m/s and constant acceleration 30 m/s2. (a) what is its displacement at t
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a gold ingot weighs 5.50 lbs. if the density of gold is 19.31 g/cm3, and the length and width of the ingot are 12.0 cm and 3.00 cm respectively, what is the height of the ingot?
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while riding an open freight elevator upwards at 5.1 m/s, a carpenter drops his hammer off the side. it hits the ground 2.4 s later. how far above the ground was the carpenter when he dropped the hammer?
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does the force the water exerts against the bottom of the stick change if you shove the stick deeper in the water? try and see! push the stick deeper in the water. what happens when you release it? why?
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a 5 kg mass attached to a horizontal spring is pulled from its equilibrium position by 5 m and let go. if the spring constant is 7 n/m, what is the maximum velocity of the mass?
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an electron moves horizontally toward a screen. the electron moves along the path that is shown because of a magnetic force caused by a magnetic field. in what direction does that magnetic field point?
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ernie is trying to swim directly across a rushing river. ernie can swim at a rate of 6.2 m/s. the river's current is moving at a rate of 10.7 m/s. calculate the magnitude of ernie's resultant velocity?
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a hippo's body is 4.0 m long with front and rear feet located as in (figure 1). the hippo carries 60% of its weight on its front feet. Figure
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the two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). light from a hydrogen lamp illuminates a diffraction grating with 530 lines/mm , and the light is observed on a screen 1.7 m behind the grating. What is the distance between the first-order red and blue fringes?
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A monochromatic beam of light is absorbed by a collection of ground-state hydrogen atoms in such a way that six different wavelengths are observed when the hydrogen relaxes back to the ground state. (a) What is the wavelength of the incident beam? nm Explain the steps in your solution This answer has not been graded yet. (b) What is the longest wavelength in the emission spectrum of these atoms? nm (c) To what portion of the electromagnetic spectrum does it belong? --Select (d) To what series does it belong? Select B (e) What is the shortest wavelength? nm (f) To what portion of the electromagnetic spectrum does it belong? -Select (g) To what series does it belong?
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gravel is being dumped from a conveyor belt at a rate of cubic feet per minute. it forms a pile in the shape of a right circular cone whose base diameter and height are always the same. how fast is the height of the pile increasing when the pile is feet high? recall that the volume of a right circular cone with height and radius of the base is given by .
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Which one of the following statements concerning electromagnetic waves is false?a. One form of electromagnetic radiation is visible light.b. All electromagnetic waves travel through a vacuum region at the speed of light.c. All electromagnetic waves are transverse waves.d. All electromagnetic waves have the same frequency.e. Electromagnetic waves can travel through solids, liquids, gases, and vacuumregions
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what would most likely happen if coastal north carolina increased implementation of wind energy?
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when you look at a single slit diffraction pattern produced on a screen by light of a single wavelength, you see a bright central maximum and a number of maxima on either side, their intensity decreasing with distance from the central maximum. if the wavelength of the light is increased:_____.
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