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water is well mixed in a 1m3 vessel a stirrer introduces 300w of power into the vessel the heat transfer from the tank
an object is placed 11 centimeter in front of a spherical refracting surface with a 27 centimeter radius of curvature
a toroid solenoid has a cross-sectional area of 0460 cm2 a mean radius of 115 cm and 1900 turns the space inside the
a weightless ladder 70 meter long rests against a frictionless wall at an angle of 65 degree above the horizontal a 72
a car fuel tank is filled to the brim with 45 l 12 gal of gasoline at 10 degc instantly afterward the vehicle is parked
a 12000n car travels at a speed of40 kmh northward along a street and an 8500 n sports car travels at a speed of 62 kmh
a wheel radius rotates at a uniform speed if a point on the rim of the wheel has a centripetal acceleration of 12 ms2
a rotating cylinder about 16 kilometer in length and 80 kilometer in diameter is designed to be used as a space colony
a 1054 m times 144 m house is built on a 106-centimeter thick concrete slab determine the heat loss rate through the
a 1064 kilogram bowling ball at 0degc is dropped into a tub containing a mixture of water and ice a short time later
a freezer is used to freeze 10 l of water totally into ice the freezer and the water remain at a fix temperature of t
a system gains 2960 joule of heat at a constant pressure of 131times 105 pa and its internal energy increases by 4040
a stone with a weight of 526 newton is launched vertically from ground level with an initial speed of 240 ms and the
an ice cube of volume 85 cm3 is initially at a temperature of -165degc determine how much heat is required to convert
an engine absorbs 1699 joule from a hot reservoir and expels 1199 joule to a cold reservoir in each cyclea estimate
a lens maker makes a lens with a material whose index of refraction is 144 the near surface has a radius of curvature
the driver of the compact car suddenly applies the brakes hard for 20sec as a result an average force of 5010 to the
a torque of 015 nm is applied to an egg beater if the egg beater starts at rest calculate the angular momentum after
a uniform hoop and a uniform solid disc are located side by side at the top of an incline of height h if they are
the angular speed of a propeller on a boat increases with constant acceleration from 12 rads to25 rads in 24 sec find
a dragster starts from rest and accelerates down a track every tire has a radius of 0320 meter and rolls without
a cord of length 14 meter is fixed at both ends its mass per unit length is 10 gm and the tension is 11 na evaluate the
an ambulance traveling at 38 ms approaches a car heading in the similar direction at a speed of 27 ms the ambulance
the rms speed of molecules in a gas at 400degc is to be increased by 18 percent determine to what temperature must it
a car of mass 1500 kilogram rounds a circular turn of radius 20 meter if the road is flat and the coefficient of static