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a mass m250 kilogram hangs from a rope wrapped around a massive cylindrical pulley with m115 kilogram and r 075 meter
a car goes over a circular bump in the road with a radius of 30 meter at a speed of 15 ms determine the apparent
a wheel turns with an initial angular velocity of 50 1s calculate the number of rotations the wheel makes if it slows
a 15-omega electric heater operates on a 120-v outlet1 what is the current during the heater2 how much energy is
at an altitude of 1000 kilometer above the earths surface determine the percentage of an object weight compared to its
convert each of the following quantities to the kind of entity shown in parenthesis1 1511x1015 hz convert to
a satellite of the earth has a mass of 100 kilogram and is at an altitude of 200 x 106 metera determine the potential
a student late for class ran up some stairs between landings the landings are 105 meter apart the student has a mass of
a lamp draws 050 a from a 120-v generator1 how much power is delivered2 how much energy does the lamp convert in 50
the 1000 kilogram mass of a car includes four tires each of mass including wheels 34 kilogram and diameter 080 meter
a force of 0053 n is needed to move a charge of 37 muc a distance of 25 cm in an electric field what is the size of the
a baseball m 145 gram approaches a bat horizontally at a speed of 391 ms 87 miles per hour and is hit straight back at
two point charges q and -q are on the x axis by coordinates a and -a respectively discover a total force of a point
a firm wants to estimate the amount of frictional torque in the incurrent line of grindstones so they can redesign them
a 24 volt battery is connected in series with a resistor and an inductor with r 70 ohm and l 10 h respectively obtain
a certain rain cloud at an altitude of 190 kilometer contains 320 x 107 kilogram of water vapor determine how long
a 220g block hangs from a spring with spring constant 14nm at t0s the block is 27cm below the equilibrium point and
a 640 kilogram man stands on a lightweight diving board supported by two pillars one at the end of the board the other
a man starts form rest at the top of a frictionless spherical surface and slides into water before find at what angle
a particle is moving in two dimensions such that in cartesian coordinatesx a2at - sinaty a1 - cosatwhere a and a are
research suggests that the electric fields in some thunderstorm clouds can be on the order of 10 knc compute the
starting from rest a basketball rolls from the top of a hill to the bottom reaching a translational speed of 66 ms
a 30 kilogram object moves to the right with a speed of 20 ms it collides in a perfectly elastic collision with a 60
two speakers one directly behind the other are each generating a 340 hz sound wave the speakers are being driven out of
two children hang by their hands from the same tree branch the branch is straight and grows out from the tree trunk at