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a 44-g ball consists of a plastic spherical shell and a water-filled core the shell has an outside diameter equal to
the springs of a 1200 kg car compress 65 mm when its 68 kg driver gets into the drivers seat if the car goes over a
occasionally huge icebergs are found floating on the oceans currents suppose one such iceberg is 125 km long 326 km
a cubical piece of heat-shield-tile from the space shuttle measures 012 m on a side and has a thermal conductivity of
as the captain of the scientific team sent to planet physics one of your tasks is to measure g you have a long thin
a particularly beautiful note reaching your ear from a rare stradivarius violin has a wavelength of 391 cm the room is
two loudspeakers emit sound waves along the x-axis the sound has maximum intensity when the speakers are 17apart the
the lowest note on a grand piano has a frequency of 275 the entire string is 200 long and has a mass of 430 the
a sinusoidal wave travels along a stretched string a particle on the string has a maximum velocity of 140 and a maximum
a pair of in-phase stereo speakers is placed side by side 061 m apart you stand directly in front of one of the
a train on one track moves in the same direction as a second train on the adjacent track the first train which is ahead
a motorcycle and a police car are moving toward one another the police car emits sound with a frequency of 514 hz and
32 violins playing simultaneously with the same intensity combine to give an intensity level of 82 db a what is the
a racecar with a speed of 60 ms is taking a curve with a radius of 10 m what is the acceleration of the racecar what is
a cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 770 cm if the
1 what imperfection in the operation of the eye causes farsightedness2 what type of lens is used to correct this3 what
after 600 kg of water at 700 oc is mixed in a perfect thermos with 300 kg of ice at 00 oc the mixture is allowed to
a horizontal light ray is incident on a plate glass prism where 285deg calculate the angle of deviation of the ray
the electron in a hydrogen atom makes a transition from the n 3 state to the n 2 state determine the linear momentum
a 130 cm length of string has a mass of 35 g it is stretched with a tension of 59 n between fixed supports a what is
a sinusoidal wave travels along a string the time for a particular point to move from maximum displacement to zero is
a wave has an angular frequency of 190 rads and a wavelength of 26 m calculate a the angular wave number and b the
a college student is working on her physics homework in her dorm room her room contains a total of gas molecules as she
a wheel radius 06 m is rolling on a horizontal surface with a center of mass acceleration of 07 ms2 if the force
a shop sign is suspended from a uniform pole fixed to a wall and supported by a cable the mass of the sign is 66 kg and