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as instrument used for measurement the depth of oceans sends ultrasonic signals to the bottom of the ocean the signal
a hunter fires at a prey with a gun the prey is hit and falls down five seconds later the hunter hears the sound of
a block starts from rest at the top of a 16 degree inclined plane and encounters a spring of constant 62 knm rigidly
if a 1000 hertz signal has a time base measurement that is off by 15 percent determine the possible ranges in the value
a harmonic signal with a frequency of 1000 hertz and an amplitude of 2 volts is displayed on the oscilloscope find what
at a rock concert a meter reads 130 db when located 280 meter in front of a loudspeaker find what was the sound power
a pipe fitted with air at 20oc produces two successive harmonics at 240 hertz and 280 hertz find how long is the pipe
a mass is projected upwards from the earths surface with an initial velocity of 7000ms determine how far into space it
a solid ball rolls along the floor with a constant linear speednbspva obtain the fraction of its total kinetic energy
a police car with a frequency of 1600 hertz is following the getaway car both are traveling 25 ms in the similar
an object is hung from a spring balance attached to the ceiling of an elevator cab the balance reads 90 newton when the
a 500 kilogram boy stands at the rim of a merry-go-round of radius160 meter rotating with an angular speed of 310 radsa
a cosmic-ray proton in interstellar space has an energy of 180 mev and executes a circular orbit having a radius equal
an ideal spring is compressed 12 centimeter from the equilibrium length resulting in 72 joule of potential energy being
a newspaper boy throws papers sideways onto the porches of his customers while riding his bicycle along the sidewalk
a porsche 914 accelerates uniformly from 0 to 60 mph in 5 sec assuming a frictionless air track and a glider mass of
a hotel elevator ascends 200 meter with maximum speed of 5 ms its acceleration and deceleration both have a magnitude
a 100 gram ball moving to the right at 45 ms catches up and collides with a 450 gram ball that is moving to the right
a 50000 kilogram space shuttle is in a 500 kilometer high circular orbit about the earth and wants to descend into a
rolling ball the first hill is at 3 meter above the valley second hill is at 7 meter find will the ball climb up to the
the attached video clip shows footage from skylab launched in 1973 used during 1973-74 and in orbit until 1979 during
a 93 kilogram person lying on a surface of negligible friction shoves a 68 gram stone away from himself giving it a
a hotel elevator ascends 200 m with maximum speed of 5 ms its acceleration and deceleration both have a magnitude of
pilots of high-performance fighter planes can be subjected to large centripetal accelerations during high-speed turns
a 200 kilogram toboggan with 699 kilogram driver is sliding down a frictionless chute directed 316 degree below the