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if the scalar product of two vectors a and c is equal to -35 if a20 and the angle between the two vectors when they are
a wheel rotates with a fix angular acceleration of 380 rads2 suppose the angular speed of the wheel is 170 radsa
demonstrate the concepts pertinent to this problem a 160-cm-high object is situated 206 cm in front of a concave mirror
the primary coil of a transformer makes 240 turns around the iron core and the secondary coil of that transformer makes
an electric device draws 650 a at 240 v a if the voltage drops with 15 what will be the current assuming nothing else
the two wires of a high-voltage transmission line are carrying 600a at 400000 v to and from a city the power is
a 70 gram bullet is fired into a 15 kilogram ballistic pendulum the bullet emerges from the block with a speed of 200
the index of refraction of water is 129a what is the speed of light in waternbspb what is the wavelength in water of a
sunlight strikes a piece of crown glass at an angle of incidence of 357o determine the difference in the angle of
a man working out in a gym has a metabolic rate of 2500 kjh his body temperature is 37degc and the outside temperature
a uniform beam of length 46 m and mass 20 kg supports a 29 kg mass as shown in the figure the cable is at an angle of
a 100 gram bullet is fired into and embeds itself in a 175 kilogram block attached to a spring with a spring constant
a 058-kg metal sphere oscillates at the end of a perpendicular spring as the spring stretches from 013 to 026 m
a particle of mass 4m is placed 091 meter from a particle of mass mcompute where should you put a third mass m
four identical masses of 869 kilogram each are located at the corners of a square whose side length is 95 centimeter
the density of a sphere is given by rhor cr the sphere has a radius of 60 m and a mass of 131011 kg a small diameter
sketch a pv diagram and calculate the work done by the gas during the following stagesa a gas is expanded from a volume
an ideal gas in a cylinder is compressed adiabatically to one half its original volumes the work required to compress
a doughnut contains about 464 calories after eating this doughnut you decide to compensate by taking the stairs instead
a 125-kg block of ice has a temperature of -184 degc the pressure is one atmosphere the block absorbs 762 x 106j of
on earth two parts of a space probe weigh 12200 newton and 2470 newton these parts are separated by a center-to-center
a child with a mass of 3491 kilogram is swinging from a rope tied to the branch of a tree the rope is 285 meter long
a wall in a house contains a single window the window consists of a single pane of glass whose area is 014 m2 and whose
liquid helium is stored at its boiling-point temperature of 42 k in a spherical container r030 meter the container is a
an object is inside a room that has a constant temperature of 293 kelvin via radiation the object emits three times as