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a model airplane with mass 0743 kg is tethered to the ground by a wire so that it flies in a horizontal circle 297 m in
an electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly
consider the system shown in the figure below with m1 240 kg m2 107 kg r 0250 m and the mass of the pulley m 500 kg
the combination of an applied force and a friction force produces a constant total torque of 366 n middot m on a wheel
a model airplane with mass 0757 kg is tethered to the ground by a wire so that it flies in a horizontal circle 297 m in
the secondary coil of a transformer provides the voltage that operates a small radio the turns ratio of the transformer
a circular loop of wire of 2500 turns is placed perpendicular to a uniform magnetic field of 500 t the area of the loop
a 200 m long wire with a square cross-section of 20 mm x 20 mm is made of a resistive material when a potential
a 200-volt battery is connected to a parallel-plate capacitor that has a dielectric slab k 2 filling the space between
a bullet of mass 700g is fired horizontally into a wooden block of mass 129kg resting on a horizontal surface the
a 1000 kg car is traveling at a speed of 20 ms-1 east and a 1200 kg car is traveling at 22 ms-1 west what is the
a tabletop gamer has designed a game that requires three dice to be thrown onto a tray with a measurement grid to add
a person with a nearsighted eye has near and far points of 20 cm and 26 cm respectively assuming a lens is placed 14 cm
a 25-kg child is sitting on the seat of a swing 10 m long her father pulls the swing back until the swing makes an
an object of mass 4 kg is initially at rest on a frictionless ice rink it suddenly explodes into three pieces one
a spring of spring constant k 340 nm-1 is used to launch a 15-kg block along a horizontal surface by compressing the
a 20-kg child swings back and forth on a swing such that her height h in m from the ground as a function of x is
at what frequency f do a 10 microf capacitor and a 10 microh inductor have the same reactance fkhz b what is the value
a 35 kg child slides down a playground slide from a height 20 m above the bottom of the slide the speed of the child
what are the wavelength ranges for the following a the am radio band 540-1600 khz m maximum wavelength m minimum
a transformer is to be used to provide power for a computer disk drive that needs 50 v rms instead of the 120 v rms
a 25 ball and a 35 ball each moving at 090 undergo a head-on collision the lighter ball rebounds opposite its initial
if our sunsolar system was formed in a dense cluster as opposed to a sparse cluster where are the rest of the stars is