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a piece of glass has a temperature of 810 degc liquid that has a temperature of 370 degc is poured over the glass
an artificial satellite circling the earth completes each orbit in 130 minutes the radius of the earth is 638 106 m the
whats your normal body temperature it may not be 986degf the oft-quoted average that was determined in the nineteenth
a 100-w incandescent light bulb radiates isotropically equally in every direction find the rms electric and magnetic
a 15-turn rectangular loop of wire of width 10 cm and length 20 cm has a current of 25 a flowing through it two sides
after a shipwreck a solid steel spoon lies at the bottom of the ocean 910 km below the surface whats the water pressure
ball 1 with mass of 100g and traveling at 10 ms collides head-onwith ball 2 which has a mass of 300g and is initially
a spring stretches by 00240 m when a 340-kg object is suspended from its end how much mass should be attached to this
a square coil enclosing an area with sides 46 cm long is wrapped with 3149 turns of wire a uniform magnetic field
a lunch tray is being held in one hand as the figure illustrates the mass of the tray itself is 0214 kg and its center
a string with a mass m 600 g and a length l 500 m has one end attached to a wall the other end is draped over a small
a 1 m stick is used as a simple pendulum with a 2 kg weight on the end what is its period of
a merry-go-round is shaped approximately as a disk and has a radius of 21m and a mass of 172kg starting from rest a boy
a object-spring system oscillates with an amplitude of 28 cm if the spring constant is 205 nm and object has a mass of
a roller coaster is pulled up a hill of height 95m before being released to coast down a ramp that is inclined at 56
a 117-cm-long 400g string oscillates in its n 4 mode with a frequency of 200 hz and a maximum amplitude of 550 mm what
a student stands initially at rest at the center of a turntable that can rotate without friction the student begins to
two masses are connected by a string mass a is on a flat roof and mass b is hanging over the edge of the roof the mass
a potters wheel-a thick stone disk of radius 0500 m and mass 125 kg-is freely rotating at 500 revmin the potter can
a hydrogen atom undergoes a transition from a 2p state to the 1s ground state in the absence of a magnetic field the
a hoop of radius 05 m and mass 08 kg is rolling without slipping at a speed of 20 ms toward an incline of slope 30o how
the combination of an applied force and a friction force produces a constant total torque of 350 n middot m on a wheel
the 150-lb man lies against lies against the cushion for which the coefficient of static friction is 05 determine the
a 130 resistor a 500times102microf capacitor and a 260mf inductor are connected in series to a voltage source with
a grinding wheel is in the form of a uniform solid disk of radius 699 cm and mass 202 kg it starts from rest and