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the length of a simple pendulum is 085 m and the mass of the particle the bob at the end of the cable is 029 kg the
an unknown gas is introduced into the aforementioned apparatus using the same tuning fork and the first resonance
a 19-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling the elastic
a spherical balloon of volume 394 103 cm3 contains helium at a pressure of 115 105 pa how many moles of helium are in
a 054-kg block is hung from and stretches a spring that is attached to the ceiling a second block is attached to the
a spring lies on a horizontal table and the left end of the spring is attached to a wall the other end is connected to
a certain refrigerator is rated as being 33 as efficient as a carnot refrigerator to remove 107 j of heat from the
a ball of mass m traveling horizontally with velocity v strikes a massive vertical wall and rebounds back along its
a boy whirls a stone in a horizontal circle of radius 17 m and at height 22 m above ground level the string breaks and
an earth satellite moves in a circular orbit 660 km above the earths surface the period of the motion is 977 min what
a rotating fan completes 1200 revolutions every minute consider a point on the tip of a blade at a radius of 016 m
a college student is working on her physics homework in her dorm room her room contains a total of 6x 1026 gas
water flows at 0855 ms from a hot water heater through a 450-kpa pressure regulator the pressure in the pipe supplying
a container holds 090 g of oxygen at a pressure of 77 atm a how much heat is required to increase the temperature by
when a human hair is held in front of a laser a diffraction pattern is formed 150 m away from the hair the first dark
deuterium is an attractive fuel for fusion reactions because it is abundant in the waters of the oceans in the oceans
compare how helmholtz free energy describes any change in a system that takes place at constant temperature t and how
a nuclear power plant is 24 efficient meaning that 24 of the power it generates goes into producing electricity the
describe how magnetic dipoles of a system of two-state paramagnet behave in a magnetic field and explain why describe
before embarking on a car trip from michigan to florida to escape the winter cold you inflate the tires of your car to
distinguish among thermal mechanical and diffusive equilibrium explaining the nature of the interaction exchanged
discuss where the theory stands today in terms of acceptance does the theory violate the speed of light limitation on
what is a galaxy rotation curve and describe the rotational curve for the milky way how does the shape of the curve
the radius of a black hole is approximately 3 km times the mass of the black hole in solar mass units if a galactic
the hydraulic turbines in a water-power plant rotate at 60rpm and are rated at 20 000 hp the 30 in-diameter shaft