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a cylinder is filled with 010 mol of an ideal gas at standard temperature and pressure and a 14-kg piston seals the gas
astronauts on a distant planet throw a rock straight upward and record its mothion with a video camera after digitizing
a rock is thrown vertically upward from ground level at time t0 at t15s it passes the top of a tall tower 1 s later it
rhonda who has a mass of 60kg is riding at 25 ms in hersports car when she must suddenly slam on the brakes to
two waves are traveling in the same direction along a stretched string the waves are 900degrees out of phase each
as soon as a traffic light turns green a car speeds up from restto 490 mih with constantacceleration 700 mih-s in
in the bohr model the electron is imagined to move in a circular orbit about a staionary proton if the speed of the
a 210-kg block is suspended from a springwith a spring constant of 3800 nm a0070-kg bullet is fired into the block from
you are driving into st louis missouri and in the distance yousee the famous gateway-to-the-west arch this monument
two pianos each sound the same note simultaneously but they are both out of tune on a day when the speed of sound is
an auditorium measures 350 m multiplied by 250 m multiplied by 900 m the density of air is 120 kgm3a what is the volume
the two 050-kg weights of a cuckoo clock descend 15m in athree-day period at what rate is gravitational potential
an object 5 millimeters high is located 15 millmeters in frontof a plane mirror how far from the mirror is the image
jack and jill ran up the hill at 339 ms thehorizontal component of jills velocity vector was 205 mswhat was the angle
three particles eachwith a charge of 635 muc and a speed of 3050 ms enter auniform magnetic field whose magnitude is
santa loses his footing and slides down a frictionless snowy roofthat is tilted at an angle of 27deg if santa slides893
the time constant of a rc circuit is 5 sec how long does it takefor the capacitor in this circuit to accumulate about
the current in a circuit is tripled by connecting a 500-ohm resistor in parallel with the resistance of the circuit
a boat takes 32 hours to travel 2801 km down a river then 55hours to return how fast is the river
king arthurs knights fire a cannon from the top of the castlewall the cannonball is fired at a speed of 57 ms and an
an automobile and a truck start from rest at the same instant withthe automobile initially at some distance behind the
a 16 cm radius air duct is used toreplenish the air of a room 90 mmultiplied by 45 m multiplied by 50 m every 10 min
two particles execute simple harmonic motion of the same amplitudeand frequency along close parallel lines they pass
when a resistor is connected across the terminals of an acgenerator 101 v that has a fixedfrequency there is a current
a performer seated on a trapeze is swinging back and forth with aperiod of 950 s if she stands up thusraising the