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a 6kg sled is traveling across the ice at a speed of 9ms when a12kg package is dropped into it from above assume the
a 100 gram bead is free to slide a long a piece of 08 m long string abc the ends of the string are attached to a
010 mol of argon gas is admitted to an evacuated 50 cm3 container at 20deg c the gas then undergoes isobaric heating to
a copper block is removed from a 300deg c oven and dropped into 100 liter of water at 20deg c the water quickly reaches
a window washer is standing on a scaffold supported by a vertical rope at each end the scaffold weighs 204 n and is 31
calculate the coulomb potential energy of a sphere with radius r0 uniformly charged throughout its volume with the
a light rigid rod of length l 100 m joins two particles with masses m1 400 kg and m2 300 kg at its ends the
the distance from the center of the breastbone to a mans hand with the arm outstretched and horizontal to the floor is
a skater is initially spinning at a rate of 131 rads with a rotational inertia of 254 kgmiddotm2 when her arms are
a turntable of mass 501 kg has a radius of 0129 m and spins with a frequency of 0530 revs what is its angular momentum
a solid sphere of mass 0524 kg rolls without slipping along a horizontal surface with a translational speed of 533 ms
a spinning flywheel has rotational inertia i 417 kgmiddotm2 its angular velocity decreases from 195 rads to zero in
two rocket ships travel in the same direction with a relative speed of 98c a light pulse is fired from the back of one
a rod is being used as a lever as shown in the figure below the fulcrum is x1 179 m from the load and x2 381 m from
a circular area with a radius of 740 lies in the x-y plane1 what is the magnitude of the magnetic flux through this
a coil of wire with 210 circular turns of radius 330 cm is in a uniform magnetic field along the axis of the coil the
an egg rolls off a kitchen counter and breaks as it hits the floor how large is the impulse that the floor exers on the
a transformer consists of 300 primary windings and 832 secondary windings 1 if the potential difference across the
you need a transformer that will draw 16 w of power from a 220 v rms power line stepping the voltage down to 12 v rms1
a 180 mh inductor is connected in series with a dc battery of negligible internal resistance a 0840 k-ohm resistor and
a 180 uf capacitor and a 540 mh inductor are connected in series with an open switch the capacitor is initially charged
a periscope for a submarine uses two totally reflection 45deg-45deg-90deg prisms with total internal reflection on the
an ideal toroidal solenoid has a cross-sectional area of 0500 cm2 a mean radius of 150 cm and 1600 turns what is the
a 100 cm -long solenoid of diameter 0400 cm is wound uniformly with 800 turns a second coil with 500 turns is wound
a thin cylindrical rodscript l246cmlong with a massm 120 kghas a ball of diameterd1000cmand massm 200 kgattached to one