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now a second resistor r2 of 32x105 is connected in parallel to the existing resistor in the circuit and a second
a glass window 060 cm thick measures67cm by 42 cm how much heat flows through this window per minute if the inside and
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a car with mass of 10000 kg accelerates from 0 ms to 400 ms in 110 s ignore air resistance the engine has a 23
a very short solenoid contains n 20 circular loops of wire the radius of the loop is r 05 meters and the length of
a certain laboratory experiment requires an aluminum wire of length of 360 m and a resistance of 280 at 200degc what
transverse waves with a speed of 425 ms are to be produced on a stretched string a 525-m length of string with a total
a 200cm long organ pipe is filled with air and is open at one end and closed at the other the velocity of the sound in
an object with total mass mtotal 156 kg is sitting at rest when it explodes into three pieces one piece with mass m1
a man walking on a tightrope carries a long a pole which has heavy items attached to the two ends if he were to walk
a cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 240 c boltzmanns constant is
a block of mass 014 kg is placed on a vertical spring of constant 5723 nm and pushed downward compressing the spring
a pendulum consists of a mass m 0120 kg hanging from a flexible string of length l the string is very thin very light
a hoop and a disk both of 072- m radius and 50- kg mass are released from the top of an inclined plane 30 m high and 71
a car travels along a straight stretch of road it proceeds for 157 mi at 55 mih then 222 mi at 49 mih and finally 376
a playground merry-go-round has a disk-shaped platform that rotates with negligible friction about a vertical axis the
find the de broglie wavelength of an oxygen molecule of average kinetic energy in air at a temperature of 2260 k the
a uniform 215- kg spinning disk with a radius of 0233 m is brought to rest by a brake-pad pressed against the side 0149
the pressure-volume graph shows an engine cycle where the working substance is an ideal monatomic gas 53 the process
air streams horizontally past a small airplanes wings such that the speed is 620 ms over the top surface and 520 ms
during a lunar eclipse the moon earth and sun all lie on the same line with the earth between the moon and the sun the
in seawater a life preserver with a volume of 400times102 m3 will support a 700 kg person average density 980 kgm3 with
you have a 200 ohm resistor a 0400 h inductor and a 600 mf capacitor suppose you make a series circuit with the
a box with a volume v 003 m3 lies at the bottom of a lake whose water has a density of 103 kgm3a how much force is
an ice-cube tray contains 0332 kg of water at 185ca how much heat must be removed from the water to cool it to 0