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a barometer consists of an inverted tube in a pan of liquid that is typically mercurya which point has a higher
a typical winter electric bill might be for 2000 kilowatt-hours of energy each month say 30 days if you had an electric
a 40 kg kid wants to utilize a large plastic tub as a boat in a swimming pool the tub has dimensions 075 m long by 05 m
a person was dropped off a bridge the person weighs 588n and lands with a speed of 22 ms how high are the bridge and
1 a bicyclist moves 400 ft north in 80 s and then moves 300 ft east in 70 s the magnitude of the average velocity of
a block is tied to a string attached to the bottom of a fish tank it is then attached to a block that floats halfway
1 what is the resistance of a 12m -long copper wire that is 040mm in diameter please answer in omega2 what is the
a 90-f capacitor and a 25m h inductor are in series with a 105 resistorwhat is the resonant frequency what is the
a runaway ski slides down a 250 m long slope inclined at 37 degrees with the horizontal if the initial speed is 10 ms
a point on the surface of a solid sphere radius 0806 m is attached directly to a pivot on the ceiling the sphere
a soccer ball is at rest on the ground 32 m away from a fence a boy kicks the ball towards the fence w a velocity of 20
a 00369 kg bullet is fired horizontally into a 383 kg wooden block attached to one end of a mass less horizontal spring
a solenoid is wound with a single layer of insulated copper wire of diameter 2600 mm and has a diameter of 5000 cm and
a steel wire of length 5 meter and radius 03 millimeter is knotted to another steel wire of length 5 meter and radius
two capacitors are connected in parallel across the terminals of a battery one has a capacitance of 195 f and the other
a 004 kilograms aluminum bullet traveling at 468 meter per second strikes an armor plate and comes to a stop if all its
two point charges totaling 700 acircmicroc exert a repulsive force of 0250 newton on one another when separated by 0474
a wave travels along a stretched horizontal rope the vertical distance from crest to trough for this wave is 11
a parallel-plate capacitor has a plate separation of 174 centimeter and a plate area of 25 cm2 the capacitor is
presume 800 g of hydrogen is separated into protons and electrons presume also the protons are placed at the earths
a 60 kg person rides in a 20 kg cart moving at 13 ms at the bottom of a valley that is in the shape of an arc of a
an electromagnetic wave strikes a 460 cm2 section of wall perpendicularly the rms value of the waves magnetic field is
a obtain the magnitude of the gravitational force between the moon and an m 660 kilogram mass on the surface of the
two particles are moving in one dimension particle onersquos position is given by xt 5t23t2 in meters and seconds and
find the magnitude of the gravitational force between the earth and an m 660 kilogram mass on the surface of the earth