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the distance from the sun to jupiter is 52 times longer than the earth-sun distance take the intensity of sunlight at
a pipe is opened at both ends its length is 2281cm if i excite standing waves in the pipe by blowing air over one of
a 400g mass is attached to a spring causing it to stretch a vertical distance of 2cmnbsp the mass is then pulled
a block of wood has a mass of 377 kg and a density of 589 kgm3 it is to be loaded withlead so that it will float in
a child slides down a slide with a 21circ incline and at the bottom her speed is preciselyhalf what it would have been
a cubical block of wood 100 cm on a side floats at the interfacebetween oil and water with its lower surface 150 cm
a block of wood with volume v floats in waterwith 067v submergedin oil the block floats with 085v of its volume
a child sits at the edge of a plarform rotationg at 30 rpmnbsp the platform isnbsp 10 m in diameter what is the period
a square loop and a rectangular loop are each made from thesame length of wire each loop contains a single turn and
a uniform solid spherical asteroid with mass12x1013 kg and radius 10 km isrotating with a period of 52 hours a
a projectile is launched vertically from the surface of the moonwith an initial speed of 1500 msnbspnbsp at what
a smooth block on a frictionless surface is attached to a spring pulled to the right a distance of 4 cm and the
as shown in the figure a pond has the shape of an inverted conewith the tip sliced off and has a depth of 50 m the
a 111 omega resistora 92 microf capacitor anda 297 mh inductor are connectedin series with a 120 v rms source with
the rms current through a light bulb is 0947 a when the bulb is connected to a standard120 v rms sourcea find the bulbs
water is supplied to an office building 415 m high through a pipe at ground levela find the minimum pressure in the
two wheels have the same mass and radius of 50 kg and 038 mrespectively one has a the shape of a hoop andthe other b
two air carts of mass m1 084kg and m2 042 kg are placed on a frictionless track cart 1 is at restinitially and has a
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