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bull if vi 15 sin t with t being the time in second determine the expression for vobull use excel spreadsheet to
a door has mass m width w and height h it is attached to a door frame by only two hinges one at 5h6 the top hinge and
a car moving with an initial speed v collides with a second stationary car that is 490 percent as massive after the
three uniform meter sticks each of mass are placed on the floor as follows stick 1 lies along the axis from 0210 m to
a coil has a dc resistance of 90 and animpedance of 200 at a frequency of 15 khz neglect the wiring capacitance of
the peak current through an inductor is 11mawhat is the current if the emf frequency is doubledwhat is the current if
a microwave transmitter emits electromagnetic waves of a single wavelength the maximum electric eld 136 km from the
the transformer supplying power to an artists light sculpture provides 9600-v ac when supplied by 120-v ac if there are
the intensity of sunlight hitting the earth is about 1300 wm2a find amplitude of the electric fieldb find amplitude of
in a transformer the voltage across the primary coil is 120 v rms and the voltage across the secondary coil is 10 kv
a 090 m multiplied by 090 m multiplied by 030 m block is suspended from a wire and is completely under water what
water is ejected from a garden hose of radius 107 cm at a speed of 457 ms find the flow rate through the
if the index of refraction of a plastic prism is 16711 plusmn 0008467 what is the speed of light as it travels through
you shine a laser on a plastic prism made from an unknown material and measure the angles relative to the normal that
in the figure below a solid cylinder of radius 6 cm and mass 9 kg starts from rest and rolls without slipping a
a lead rod a 29x10-6 k-1 has a circular cross-section of 0500 cm radius the rod comes in a circular hole in a sheet of
at time t 0 s a puck is sliding on a horizontal table with a velocity 360 ms 350deg above the x axis as the puck
a sodium-vapor lamp has power output of 100 w using 5893 nm as the average wavelength of this source calculate the
a bowler throws a bowling ball of radius r 11 cm down a lane the ball slides on the lane with initial speed vcom0 65
two ideal inductors 0124 h 0433 h are connected in series to an ac voltage source with amplitude 517 v and frequency
a 0182 f capacitor is connected to a 240-v rms ac source at 454 hz find the reactance of the capacitorwhat is the rms
a diver makes 20 revolutions on the way from a 98-m-high platform to the water assuming zero initial vertical velocity
a a man weighing 704 n lies on a bed of nails find the average pressure exerted by a nail on his skin if there are 1010
the motor of an electric drill draws a 811 a current at the power line voltage of 120 v rms what is the motors power in
a block of mass 341 kg is attached to a spring k319 nm by a rope that hangs over a pulley of mass m682 kg and radius