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a player bounces a 047 kilogram soccer ball off her head changing the velocity of the ball from vi 85msx -28ms y to
a 155 kilogram dog is running northward at 298ms while a 483 kilogram cat is running eastward at 254ms their 71
determine how much energy is lost when a 3500 lb car moving 40 mph collides inelastically with a stationary car with
a 49 gram block of copper at -13oc is added to 130 gram of water in a 76 gram aluminum cup the cup and the water have
a 1590 kilogram car traveling with a speed of 27 ms obtain what is the magnitude of the horizontal net force that is
a man at an organ concert can both hear a 30 hertz sound wave and feel it as vibrations in the bench on which she is
two parallel conducting plates are separated by 10 centimeter and one of them is taken to be at zero voltsa find what
a bungee jumper m 6300 kilogram tied to a 4500 meter cord leaps off a 7500 meter tall bridge he falls to 7 meter above
while taking photographs in death valley on a day when the temperature is 53degc bill hiker finds that a certain
a whistle of frequency 580 hertz moves in a circle of radius 590 centimeter at an angular speed of 180 rads use 343 ms
two equal piano wires have a fundamental frequency of 600 hertz when kept under the same tension obtain what fractional
a tube 127 meter long is closed at one end a stretched wire is located near the open end the wire is 0400 meter long
male rana catesbeiana bullfrogs are known for their loud mating call the call is emitted not by the frogs mouth but by
the source of a sound wave has a power of 250 microw suppose it is a point sourcea determine what is the intensity 410
a small rubber wheel radius of 190 centimeter is used to drive a large pottery wheel radius of 2800 centimeter and they
diagnostic ultrasound of frequency 700 mhz is used to examine tumors in soft tissuea obtain the wavelength in air of
a stone is dropped into a well the sound of the splash is heard 597 second later determine what is the depth of the
a parallel-plate capacitor with area 0400 m2 and plate separation of 200 millimeter is connected to an 1800 volt
a ferris wheel rotating at 20 rads slows down with a constant angular acceleration of magnitude 50 rads2 obtain how
a wheel of diameter 070 meter rolls on the floor without slipping a point at the top of the wheel moves with a speed 20
a bullet of mass 02 kilogram moving horizontally at 450 ms hits a 3 kilogram block that is at rest on a frictionless
in compressing the spring in a toy dart gun 02 joule of work is done when the gun is fired the spring gives its
a double-slit experiment is performed using a helium-neon laser with wavelength of 6328 nanometer the slit distance is
a laser beam is incident on two slits with a separation of 0170 millimeter and a screen is located 545 meter from the
two slits are separated by 0270 millimeter a beam of 570 nm light strikes the slits producing an interference