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one tablespoon of peanut butter has a mass of 15g it is combusted in a calorimeter whose heat capacity is 130 kjdegree
a coil of 12 turns and radius 100 cmsurrounds a long solenoid of radius 210cm and 100x103 turnsmeter thecurrent in the
synchronous generator problem - the generator outputs 60 hz power and has a rotational speed ofnbsp 1200 rpm the flux
helium gas enters an adiabatic nozzle steadily at 500oc and 600 kpa with a low velocity and exits at a pressure of 90
a uniform disk turns at 37 revs around a frictionless spindle anonrotating rod of the same mass as the disk and length
a string is fixed at both ends and is vibrating at 120 hz which is its third harmonic frequency the linear density of
diamond is the hardest substance and the best conductor of heat yet characterized for these reasons it is used widely
a broad beam of light of wavelength 692 nm is incident at90deg on a thin wedge-shaped film with index of refraction
a 33 turn circular coil of radius300 cm and resistance 100 omega isplaced in a magnetic field directed perpendicular to
a long solenoid cross-sectional area 088 x 10-6m2 number of turns per unit length 2671 turnsm is bent into a circular
the decibel level of ajackhammer is 125 db relative to the threshold of hearing determine the sound intensity produced
a circuit consists of a resistor an ideal 12-h inductor and an ideal 60-hz generator all connected in series the rms
the gas in a cylindrical container has a pressure of 10 x 105 pa and is at room temperature 293 k apiston a movable
a balloon ofvolume 22 m3 contains argongas at a pressure of 63 105 pa and room temperature 20degc what is the total
a family ice show is held in an enclosed arena the skatersperform to music playing at a level of 850 db the intensity
optimus prime is flying straight up at 62ms when he accidentally drops his mega-ray blaster and it falls85 m to the
an alpha particle mass 4 u experiences an elastic head-on collision with a nucleus mass 192 u that is originally at
a wheel is spinning at 89 rads itundergoes an angular acceleration of 13rads2 until it reaches an angular velocity
a rock weighing 7150 n rock with a volumeof 34 l is completely submerged inmercury the density of mercury is 136 kgla
a centrifuge is a device in which a small container ofmaterial is rotated at a high speed on a circular path sucha
an 840-mh inductor and a 580-muf capacitor are connectedin series with a generator whose frequency is 375 hz the
the box of a well-known breakfast cereal states that one ounce of the cereal contains 127 calories 1 food calorie 4186
a lens appears greenish yellow lambda575 nm when illuminated with white light the index of refraction of the lens is
the distance between the slits in a youngs experiment is 50times the wavelength of the monochromatic light source find
when you push a 180-kg book resting on a tabletop it takes 245 nto start the book slidingwhat is the frictional force