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Part A. How close to the right edge of the 56 kg picnic table shown in the figure can a 81kg man stand without the table tipping over? Express your answer to two significant figures and include the appropriate units.
A cubical box .2 m on a side is completely immersed in a fluid. The pressure at the top of the box is 105 kPA, What is the denstiy of the fluid
A given copper wire has a resistance of 5.04 Ω at 20.0°C while a tungsten wire of the same diameter has a resistance of 4.73 Ω at 20.0°C. At what temperature will the two wires have the same resistance?
A transformer for an answering machine takes an ac voltage of amplitude170V as its input and supplies a8.4V amplitude to the answering machine. How many turns does the secondary have
A 1320-kg car is moving due east with an initial speed of 25.3m/s. After 11.5 s the car has slowed down to 15.2 m/s. Find the magnitude of the net force that produces the deceleration.
After performing an experiment concerning charging a capacitor Sally noticed that the potential difference across the capacitor reached 2/3 of its final value after 18 seconds. find the time constant for the resistor-capacitor combination
two train whistles a and b each have a frequency of 392 hz. a is stationary and b is moving toward the right away rom a
batted straight back to Lonnie with a return speed of 60 m/s. If the bat is in contact with the ball for .050 s, illustrate what is the impulse experienced by the ball.
A Light-Dimmer Circuit The intensity of a lightbulb with a resistance of 140 Ohms is controlled by connecting it in series with an inductor whose inductance can be varied from L=0 to L=Lmax. What is the average power dissipated in the lightbulb whe..
two speakers spaced a distance 1.5 m apart emit coherent sound waves at a frequency of 680 hz in all directions. the
A boy rolls a ball on a level floor 3.5 meter to another boy. If the ball makes 15.0 revolutions, evaluate what is its diameter
A 15.0-µC particle with a mass of 2.80 10?5 kg moves perpendicular to a 1.01-T magnetic field in a circular path of radius 28.0 m. How long will it take the particle to complete one orbit
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet
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