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a 100 kg steel ball collides with a 10 kg steel ball atrest head on the initial velocity of the 100kg ball is 50mseast
a small 0493 kg object moves on africtionless horizontal table in a circular path of radius122 m the angular speed
a 30 kg block slides along a frictionlesshorizontal surface with a speed of 70 ms after sliding adistance of 30 m the
a spacecraft is in circular orbit about the moon 122 x105m above its surface the speed of the spacecraft is1620 ms and
the gravitational for on the moon due to the earth is only about half the force on the moon due to the sun whyisnt the
a golf ball of mass 0050 kg is at rest on thetee and has a velocity of 102 msimmediately after being struck if the club
a 0160 g plastic bead is charged by the addition of 100 x 1010 excess electrons what electric field strength will cause
a violin string which is 304 cm long is tuned so that its pitch isconcert a which is 440hz i can effectively shorten
a guitar string is supposed to vibrate at 247hz but is measured to actually vibrate at 255hznbsp by what percentage
a uniform solid spherical asteroid with mass 12 multiplied by 1013 kg and radius 10 km isrotating with a period of 55
a mass on a spring vibrates in simple harmonic motion at a frequency of 40 hz and an amplitude of 80 cm if a timer is
does the period of a pendulum depend on the mass of the bob the length of the string upon what else does the period
the oxygen molecule o2may be regarded as two massesconnected by a spring in vibrational motion each oxygen
onemethod of determining the refractive index of a transparent solidis to measure the critical angle when the solid is
a 480 kg car moving at 144 ms hits from behindanother car moving at 133 ms in the same direction if the second car has
a 3600-omega resistor and a 11-microf capacitor are connected in series acrossa generator 600 hz 120 v rms determine
in some experiments short distances are measured by using capacitance consider forming an lc circuit using a parallel
a loose sun roof panel on an automobile is resting in place and is air-tight but is unattached to the car because it is
the drawing shows four insulated wires overlapping one another forming a square with 0050-m sides all four wires are
a block-spring system oscillates with an amplitude of345 cm the spring constant is 250 nmand the mass of the block is
a 45 kg fiure skater is spinning on the toes of her skates at 10 revs her arm outstretched as far as they will go in
the position of a particle is given by the expressionx 600 m cos400pit 25pi where x is in meters andt is in secondsa
a particle moves in simple harmonic motion with afrequency of 320 hz and an amplitude of440 cma find the maximum
the reasoning for the second distance 19300 km solution is a little fuzzy there is less miss distance because there is
a cylinder of radius r is made with material of nonuniform density where the volume density varies with radius as ar r