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an ac power generator produces 30 a rms at 3791 v the voltage is stepped up to 108000v by an ideal transformer and the
a sealed box is placed inside a sealed container a pressure gage attached to the box reads 600 kpa while another
a racquetball strikes a wall with a speed of 30 rm ms and rebounds with a speed of 26 rm ms the collision takes 20 rm
an ideal monatomic gas is the working substance of a carnot engine during the isothermal expansion the volume doubles
let there be a 6 volt energy source and a resistor of 10 ohms in a circuit determine the current and power provide
a cylindrical log of uniform density and radius r 300 cm floats so that the vertical distance from the water line to
an unstable atomic nucleus of mass 192 10-26 kg initially at rest disintegrates into three particles one of the
an object of mass 309 kg moving with an initial velocity of 490 ms collides with and sticks to an object of mass 289 kg
the square loop in figure p2062 is made of wires with a total series resistance of 100 ohms it is placed in a uniform
a converging lens and a diverging lens separated by a distance of 300 cm are used in combination the converging lens
a starship lands on a planet of mass 61023 kg an astronaut throws a rock of mass 95 kg up from the ground at 17 ms the
a pulley of mass 16 kg and radius 38 cm holds 2 masses mass of a 42 kg and mass of b 70 kga what is the rotational
a car of mass 1050 kg is going around an unbanked curve of radius 20 ma what is the normal force of the road on the
a battery is connected in series with a 031- resistor and an inductor as shown in the figure below the switch is closed
two cars traveling in opposite directions collide head on and are brought to rest if each car has a mass of 1100 kg and
the plates of a spherical capacitor have radii 362 mm and 403 mma calculate the capacitance in picofaradsb what must be
a transformer has the voltages 121 vpri and 45 vsec a current 30 ma is flowing in the primary what is the current
in a test explosion a detonating hydrogen bomb briefly achieves a temperature of 10 million degrees kelvin what is the
a glider with mass m 0250kg sits on a frictionless horizontal air track connected to a spring with force constant k
there is a moon orbiting an earth-like planet the mass of the moon is 474 times 1022 kg the center-to-center separation
a thin uniform cylindrical turntable of radius 25 m and mass 32 kg rotates in a horizontal plane with an initial
a stationary particle of charge q 25 x 10-8 c is placed in a laser beam an electromagnetic wave whose intensity is 26
as an electron in a cold hydrogen atom flips to align its magnetic moment with the b-field that surrounds its proton a
an alpha particle which is the same as a helium-4 nucleus is momentarily at rest in a region of space occupied by an
in a youngs experiment using sodium light lambda 589 nm the slits are 12 microm wide you notice that fringes 4 8 etc