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a suppose a certain large fish starts out at a depth where the absolute pressure is 21 atm and with gas bladder volume
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a 25 kg bear slides from rest 12 m down a lodgepole pine tree moving with a speed of 56 ms just before hitting the
a 40 kg shell is shot with an initial velocity of magnitude 200 ms at an angle of 60o with the horizontal at the top of
a 350-m long string has a linear mass density of 000850 kgm and is under a tension of 250 n find the frequency of the
calculate the frequency of an organ pipe with an effective length equal to 120 m that is closed on one side and open on
calculate the fundamental frequency for an organ pipe with an effective length equal to 120 m that is open at both ends
one end of a 539-m long string is moved up and down with simple harmonic motion at a frequency of 690 hz if the wave
a 41500kg elevator accelerates upward at 500ms2 pulled by a cable of negligible mass find the tension force in the
assume the equation x at3 bt describes the motion of a particular object with x having the dimension of length and t
a 20 kg uniform beam is placed on two supporting stands on either end a 75 kg painter stands at 12 m from one of the
using a fast-pulsed laser and electronic timing circuitry you find that light travels a distance of 255m within a
an object of mass 68 kg is attached to aspring of force constant 1720 nm the object is set into simple harmonic motion
two people one of mass 70 and the other of mass 50 sit in a rowboat of mass 87 with the boat initially at rest the
a large solar panel on a spacecraft in earth orbit produces 22rm kw of power when the panel is turned toward the sun
atoms can be cooled using multiple laser beams in such an experiment the temperature of sodium atoms can be cooled to
a grandfather pendulum has a simple brass rod of length l one night the temperature in the house is 240 oc and the
to focus a camera on objects at different distances the converging lens is moved toward or away from the film so a
two identical point charges are fixed to diagonally opposite corners of a square that is 0455 m on a side each charge
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a rectangular corral of widths lx l and ly 216l contains seven electrons what multiple of h28ml2 gives the energy of
a copper rod 830 cm long and with a diameter of 13 cm is used to poke a fire the hot end of the rod is maintained at
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an engine absorbs 169 kj from a hot reservoir at 277degc and expels 122 kj to a cold reservoir at 27degc in each cycle