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an 820 kg skydiver jumps out of a balloon at an altitude of 1 280 m and opens the parachute at an altitude of 190 ma
a solid sphere of uniform density starts from rest and rolls without slipping a distance of d 4 m down a q 28deg
a transformer is to be used to provide power for a computer disk drive that needs 60 v rms instead of the 120 v rms
the magnetic field of the brain has been measured to be approximately 30 x 10-12 t although the currents that cause
calculate the heat capacity of a gas sample from the following information the sample comes to equilibrium in a flask
a capacitor has parallel metal plates separated by an air gap of 250mm the arrangement has capacitance of 285pf 1 pf
a turntable must spin at 337 rpm 353 rads to play an old-fashioned vinyl record how much torque must the motor deliver
an adventurous child of mass m releases herself at the top of a water-slide with an initial speed of 600 ms the slide
two forces f1 and f2 are acting on a mass m60 kg the force f1 50i 70j 20k in n the acceleration of the mass is given
a brick of mass 105 kg is attached to a thin massless cable and whirled around in a circle in a vertical plane the
an atwood machine is made with masses m1 100 g m2 120 g and pulley mass of 100 g what is the percent error in
a dinoflagellate takes 52 s to travel 06 mm approximate a dinoflagellate as a sphere of radius 350 microm ignoring the
a water tower supplies water through the plumbing in a house a 254-cm-diameter faucet in the house can fill a
a 1 uc charge is held 10 cm directly above the origin a -1 uc charge is held 5 cm directly to the right of the origina
what is the concentration of hydronium ion from ph and the concentration of hydroxide ion from
two masses are suspended by a rope that passes over a pulley both the pulley and the rope have negligible mass and
consider a circuit consisting of a lightbulb and a capacitor part aif the frequency of the generator is increased does
determine the concentration of the indicated liquid unknowns given the mass of a solid standard and the buret data for
a 15 kg flywheel has all its mass around its outer rim a string is wrapped around it and a m 37 kg weight is hanging
a solid uniform disk of mass m 88 kg and radius r 21 cm rests with its flat surface on a frictionless table ie the
a 87 kg freight car is coasting at a speed of 388 ms along a straight track when it strikes a 135 kg stationary freight
you add an excess of caoh2 to water maintained at a particular temperature stir until the solution is saturated filter
a 12373-kg ice skater is standing at rest on a frozen lake the friction between his skates and the surface of the ice
a puck rests on a horizontal frictionless plane a string is wound around the puck and pulled on with constant force
a stick of uniform density with mass m 78 kg and length l 08 m is pivoted about an axle which is perpendicular to its