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a 82kg box is being lifted by means of a light rope that isthreaded through a single light fritionless pulley that is
a screen is placed 300 m away from a projector a slide is placed15 cm from the objectivea what is the focal length of
four equal masses m are located at the corners of asquare of side script i connected by essentially massless rodsfor
an electric fan is running on high after the low button ispressed the angular speed of the fan decreases to 838 rads
the chamber of a rock-tumbling machine is a hollow cylinder withmass 60 g and radius 71 cm the chamberis closed off by
an automatic drier spins wet clothes at an angular speed of 52rads starting from rest the drier reaches its operating
the drawing shows three situations in which a block is attached toa spring the position labeled ldquo0 mrdquo
a bullet of mass 50 g is fired horizontallyinto a 23 kg wooden block at rest on a horizontal surface the coefficient of
light enters a container of benzene at an angle of 43circto the normal the refracted beammakes an angle of 27circ with
a woman is 16 m tall and has a mass of 53 kg she moves past anobserver with the direction of the motion parallel to her
nbspan 836-mh inductor and a 622-microf capacitor are connected in series with agenerator whose frequency is 355 hz
binoculars denoted as 7 x 50 have a total magnification of 7 times and objective lenses of 50- mm diameter what is the
a 192 kg block is dragged over a rough horizontal surface bya constant force of 130 n acting at an angle of 273 degrees
truefalse1 a cyclotron operates with a given magnetic field and at agiven frequency if r denotes the radius of the
a block of wood 10cm by 10cm by 40cm with mass 32kg and uniformdensity stands on its end on level ground in the
a find the angular speed about the polar axis as well as the translational speed and acceleration of a point on the
a student ofmass m standsat one end of a long log of length l and mass m which is floating on the campuspond at right
a gas is compressed at a constant pressure of 0800 atm from 1000l to 200 l in the process360 j of energy leaves the gas
the large blade of a helicopter is rotating in a horizontalcircle the length of the blade is 764 m measured from its
a circular conductingloop of radius 250 cm is located in a region of homogeneous magnetic field of magnitude 0900 t
you are standing on the edge of a turntable with frictionless bearings it is initially rotating when you catch a ball
a basketball player makes a jump shot the 0700 kg ball is released at a height of 200 m above the floor with a speed of
a particle that has an 82- micro-coulomb charge moves with a velocity of magnitude 50 x 105 ms alongnbsp the x-axis it
despite the incorrect interpretation that a tunneling particlehas a negative kinetic energy it turns out that a
a box initially at rest on the ground is lifted straight upin the air by a rope moving straight up at constant speed