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a stamp collector is viewing a stamp with a magnifying glassheld next to her eye her near point is 25 cm from her eyea
a block of mass m is at restlying on the face of an incline plane the plane makes an angle theta with the horizontala
a student with a mass of 500 kg runs up threeflights of stairs in 100 sec the student has gone a verticaldistance of 80
a uniform rod of mass m and length l can pivotfreely ie we ignore friction about a hinge attached to a wallas in fig
two 10g beads each charged to 50nc are 20cm apart a 20g bedcharged to -10nc is exactly halfway between themthe beads
the only forces acting on a body have magnitudes of 20 n and 35 nand directions that differ by 80 degrees the
the bow of a destroyer undergoessimple harmonic vertical pitching motion with a period of 120 sand an amplitude of 25
an object moves with constant acceleration 400ms2 and over a time interval reaches a final velocity of 120ms a ifits
a positively charged particle of mass 6210-8 kg is traveling north with a speed of 61 msand enters a 033 t uniform
a 20 kg bike wheel which can be taken as a hoop witha radius of 040 m and a 050 kg disk with a radius of 015 m are
two satellites are in circular obits about earth one is 150 kmabove the surface the other 160 km awhich satellite has
when the earth moon and sun form a right triangle with the moonlocated at the right angle as shown in the figure below
an 119 g bullet is shot into an 6191 g wooden block standing on a frictionless surface the block with the bullet in it
a 407- turn solenoid with a length of 29cm and radius of 14 cmcarries a current of 23 a a second coil of 4 turns is
a cube and a hollow sphere are released from the top of aninclined plane the cube slides along the incline while
a running man has half the kinetic energy that a boy of half hismass has the man speeds up by 100 ms and then has the
native people throughout north and south america useda bola to hunt for birds and animals a bola canconsist of three
a 110 g hockey puck sent sliding over ice is stoppedin 14 m by the frictional forceon it from the icea if its initial
a 965 kg car traveling initially with a speed of 253 ms in an easterly direction crashes into the rear end of an 9510
in a physics laboratory experiment a coil with 180 turns enclosing an area of 12 cm2 is rotated in 0030 s from a
the ideal gas in a tank originally has a volume of v10cm3 p105pa and t27 degrees c it is compressed isothermally to
a closely wound search coil has an area of 410 cm2 140 turns and a resistance of 500 omega it is connected to a
a particle with a 50 microc charge and a kinetic energy of 0090j is fired into a uniform magnetic field of magnitude
a circular loop of wire with a radius of 130 cm and oriented in the horizontalxy-plane is located in a region of
a 107-cm-long pipe is stopped at one endnear the open end there is a loudspeaker that is driven by anaudio oscillator