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two identical wires with a weight of 495e4 nm are located one above the other in a vertical plane above the surface of
a 349kg child starting from rest slides down a water slidewith a vertical height of 190 ma what is the childs speed
you pull downward with a force of 29n on a rope that passes over adisk-shaped pulley of mass 14kg and radius 0075m the
uniform metal rod with mass of 34 kg and length of 15 m is attached to a wall by a hinge at its base a horizontal wire
a projectile is fired with an inital speed ofvi20ms at an angle theta30o with the horizontala find the horizontal
how long does it take electrons to get from a car battery to the starting motor assume the current is 310a and the
a common flashlight bulb is rated at 0300a and 270v the values of the current and voltage under operating conditions
when a turntable rotating at 33 revmin is shut off it comes torest in 26 s assuming constant angular acceleration finda
a spring is hung from the ceiling when a coffee mug isattached to its end it stretches 20 cm before reaching itsnew
an air-track glider attached to a spring oscillates between the 120 cm mark and the 580 cm mark on the track the glider
a cubical block of wood 0110 m on a sideand with a density of 560 kgm3 floats in a jar of water oil with a density of
a model airplane flies ina horizantal circle at the end of a50 meter long control wire with a speed of 40 ms the plane
a raindrop falls at a constant speed how much work is done byair resistance as the drop falls 250 m the raindrops mass
an atwood machine consists of two masses that are connected bya taut string that passes over a perfect pulley initially
a ceiling fan is turned on and a net torque of 19 nmiddotm is applied to the blades the bladeshave a total moment of
you are watering your lawn with a hose when you put your fingerover the hose opening to increase the distance the water
a point charge m1 g at the end of an insulating string of length 55 cm is observed to be in equilibrium in a uniform
lurking alligators an alligator waits for prey byfloating with only the top of its head exposed so that the preycannot
in the figure two particles each with mass m 079 kgare fastened to each other and to a rotation axis at oby two thin
a meter stick is held vertically with one end on the floor and is then allowed to fall find the speed of the other end
a 330 kg wheel essentially a thin hoop with radius 100 m is rotating at 295 revmin it must be brought to a stop in 110
a 175 kg block at rest on a ramp of height h when the block isreleased it slides without friction to the bottom of the
lets us a simple model of a wii fit balance board with two forcemeters one at the left edge and one at the right edge
a charged particle moves through a velocity selector at a constantspeed in a straight line the electric field of the
a student claims that if lightning strikes a metal flagpole the force exerted by the earths magnetic field on the