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a block of mass m is initially at rest on a frictionless surface at time t 0 an increasing force given by f kt2 is
a man pushes a box of mass m with a force f using a stick ab of mass m and making a angle theta with the vertical the
the velocity v of waves on a vibrating string depends on the tension t in the string and the mass per unit length
a spelunker cave explorer drops a stone from rest into a hole the speed of sound is 343 ms in air and the sound of the
a rocket initially at rest on the ground accelerates straight upward from rest with constant acceleration 539 meters
a compound absorbs at 500 nm with a halfwidth of 500 cm-1 and maximum molar extinction of 4x104m-1 cm-1a what is the
a proton enters the gap between a pair of metal plates an electrostatic separator that produces a uniform vertical
a wave has a wavelength of 456m and a frequency of 200hz what is the period of the wave what is the wave
a helicopter is ascending vertically with a speed of 573ms at a height of 114m above the earth a package is dropped
an infinitely long charged wire produces an electric field of magnitude 115 103 nc at a distance of 510 cm
a particle of mass m moves inside a bowl if the surface of the bowl is given by the equation za2x2y2 where a is the
a -7-nc point charge is located at the center of a conducting spherical shell the shell has an inner radius of 2 m an
a 282-cm-long uniformly charged rod is sealed in a container the total electric flux leaving the container is 147 106 n
a total of 302 106 electrons are placed on an initially uncharged wire of length 145 ma what is the magnitude of the
a thin flat washer is a disk with an outer diameter of 14 cm and a hole in the center with a diameter of 2 cm the
a 400 ohm resistor and a 600 uf capacitor are connected in parallel to and ac generator that supplies a voltage of
a 45 degree wedge is pushed along a table with constant acceleration a a block of mass m slides without friction on the
a small boat is headed for a harbor 30 km directly northwest of its current position when it is suddenly engulfed in
a total charge of 0696uc is distributed uniformly throughout an entire region giving a charge per volume of 348ucm3 a
a flash of light is emitted at position x1 on the x-axis and is absorbed at position x2x1d in a reference frame moving
polonium-210 decays to the ground state of lead-206 by the emission of a 5305-mev alpha-particle with a half-life of
two free chargesq and 4q are separated by a distance l meters find the magnitudesign and location of a third charge
a projectile is fired with an initial speed of 651 at an angle of 376 above the horizontal on a long flat firing range
a person lifts a 45 kg cement block a vertical distance of 12 m and then carries the block horizontal ly a distance of