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the electric potential energy stored in the capacitor of a defibrillator is 92 j and the capacitance is 180 f what is
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jack and jill ran up the hill at 34 the horizontal component of jills velocity vector was 25 what was the angle of the
the horizontal surface on which the block slides is frictionless two forces of magnitude f25 n n are applied to the
a parallel-plate capacitor has a capacitance c0 a second parallel-plate capacitor has plates with twice the area and
a block with mass m 160 kg rests on a frictionless table and is accelerated by a spring with spring constant k 52050
a490 g sample of a conducting material is all that is available the resistivity of the material is measured to be11
a rabbit trying to escape a fox runs north for 40 m darts northwest for 80 m then drops 10 m down a hole into its
two wooden crates rest on top of one another the smaller top crate has a mass of m1 160 kg and the larger bottom crate
john starts at the origin and walks 30 km due east if he then walks 30 north of east for 80 km what is his distance
a football is kicked straight up into the air it hits the ground 44s later what was the greatest height reached by the
cartesian coordinate system is characterized by three orthogonal unit vectors orts i j and k which are parallel to the
a train 350 m long is moving on a straight track with a speed of 810 kmh the engineer applies the brakes at a crossing
an air-filled parallel-plate capacitor has plates of area 290 cm2 separated by 250 mm the capacitor is connected to a
a force farrowbold applied to an object of mass m1 produces an acceleration of 370 ms2 the same force applied to a
a plane flying horizontally at a speed of 500 ms and at an elevation of 160 m drops a package two seconds later it
a battery has an emf and an internal resistance r when the battery is connected to a 20 ohm resistor the current
a find the maximum range of a super cannon that has a muzzle velocity of 40 kmsb what is unreasonable about the range
a ship sailing in the gulf stream is heading 25deg west of north at a speed of 400 ms relative to the water its
the aorta is a major artery rising upward from the left ventricle of the heart and curving down to carry blood to the
a wheel 33 cm in diameter accelerates uniformly from 240 rpm to 360 rpm in 65 s how far will a point on the edge of the
johns mass on the earth is 65 kg what are his metric mass and weight on mars where
a charge of q 732 c is located in an electric field the x and y components of the electric field are ex 554e3 nc and