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a chain consisting of five links each of mass 0120 kg is lifted vertically with a constant acceleration of a 43 ms2
the mass of the earth is 598 x 1024 kg the mass of the moon is 736 x 10 22 kg and the distance between the centers of
an experiment is performed aboard the international space station to verify that linear momentum is conserved during
an elevator has mass 540 kg not including passengers the elevator is designed to ascend at constant speed a vertical
water is flowing through a pipe area 37 cm2 that connects to a faucet adjusted to have an opening of 045 cm2 if the
a particle undergoes two displacements the first has a magnitude of 119 cm and makes an angle of 106 degrees with the
a satellite has a moment of inertia of i8000 kgm2 and rotates at 3 rev per min it deploys solar panels which result in
a certain sample of gas has a volume of 2000 dm3 at 0degc and 1000 atm a plot of the experimental data of its volume
a vinyl record plays at 450 rpm assume it takes 10 s for it to reach this full speed starting from rest the angular
a quantity of 20 mole of carbon dioxide was heated to a certain temperature with an excess of graphite in a closed
in a ski race starting from rest a 65kg skier descends through 120 meters of vertical drop nd finishes his run at 58
a negative charge -0550 microc exerts an upward 0700 n force on an unknown charge 0280 m directly below ita what is the
a ring is fitted loosely with no friction around a long smooth rod of length l 051 m the rod is fixed at one end and
how much energy is required to vaporize 487 g of dichloromethane ch2cl2 at its boiling point if its hvap is 316
the collar a slides on the vertical bar at the instant shown its coordinates are x09 m y06m and its velocity and
a sample of a particular isotope registers 160 counts per minute eight hours later the detector registers a rate of 10
which color light is the result of greater energy transition red or blue when an electron makes a transition from its
while a roofer is working on a roof that slants at 430 degrees above the horizontal he accidentally nudges his 950 n
a mixture containing 33 moles of no and 85 mole of co2 was allowed to react in a flask at a certain temperature
a car is traveling along a straight road at a velocity of 273 ms when its engine cuts out for the next 257 seconds the
the position of an alien spacecraft is given by r o78t3i - 17t2j 039k m the mass of the spacecraft is 245 x 106 kg
a 16000 kg f-18 lands at 52 ms on an aircraft carrier its tail hook snags the cable to slow it down the cable is
what is the ph of the buffer after the addition of 100 ml of 010 m hcl to 675 ml of the
communication satellites are geosynchronous meaning that they have a rotational period equal to one day this keeps them
at the same temperature rank the following substances in the order of increasing average kinetic energy co2 he h2