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a baton twirler throws a spinning baton directly upward as it goes up and returns to the twirlers hand the baton turns through four revolutions
how much time is required to raise the temperature of the water froma family comes home from a long vacation with laundry to-do and showers to take
determine the volume of bodily fluida 600 kg runner expends 330 w of power while running a marathon fig p1128 assuming that900 of the energy is
the overall length of a particular wind instrument is 350 cm the resonating air column vibrates as ina pipe that is open at both endsa find the
at what temperature would the average speed of helium atoms equal athe escape speed from earth 112 acute 104 ms and b the escape speed from the
in accrued model of a rotating diatomic molecule of cl2 the two cl atoms are 200acute 10-10 m apart and rotate about their center of mass with
how much time is required to raise the temperature of the watera family comes home from a long vacation with laundry to do and showers to take the
evaluate frequency to shatter the glass with a resonant vibration standing-wave vibrations are set up in a crystal goblet with four nodes and four
the density of gasoline at 0 degrees c is 068 x103 kgm3what is the density on a hot day when the temperature is41 degrees cwhat is the percentage
when a driver brakes an automobile the friction between the brake drums and the brake shoes converts the cars kinetic energy to thermal energy if a
a roller coaster starts from rest at the top of an 18m hill the car travels to the bottom of the hill and continues up the next hill that is 100m
two particles each have a mass of 67 x10-5kg one has a charge of 50 x 10-6c and the other has a charge of -50 x 10-6c they are initially held at rest
a cylindrical diving bell 200 min diameter and 500 m tall with an open bottom is submerged to a depth of 220 m in the ocean the surface temperature
a power boat of mass 500 kg is cruising at a constant speed of 89 ms the propeller provides a drive force of 765 n the driver of the boat shuts off
a guitar string produces 4 beatssecond when sounded with a250hz tuning fork and 9 beatssecond when sounded with a 255 hz tuning fork what is the
a pulley in the form of a uniform disk with a heavy rope hanging over it the circumference of the pulley is 12m and its mass is22kgthe rope is 80m
the angular position of a point on the rim of a rotating wheelies given by theta40t -30t2 t3 where theta is in radians and tis in seconds what are
the mass of an automobile is 1140kg and the distance between its front and rear axles is248 m the center of gravity of theca is between the front and
a water skier lets go of the tow rope upon leaving the end oaf jump ramp at a speed of 140 ms the skier has a speed of 130ms at the highest point of
an ore sample weighs 1750 n in air when the sample is suspended by a light cord and totally immersed in water the tension in the cord is 1120 n find
a steel wire in a piano has a length of 06000 m and a mass of 3600 10-3 kg to what tension must this wire be stretched in order that the
larrys gravitational potential energy is 1870jas he sits 220 m above the ground in a sky diving airplane what is larrys gravitational potential
the record for the highest speed achieved in laboratory for a uniformly rotating object was 201103 ms for a015-m long carbon rod what was the period
a small ball with a mass of 600 g is loaded into a spring gun compressing the spring by 120 cm when the trigger is pressed the ball emerges