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a flywheel i 100kgm2 rotating at 500revmin is brought to rest by friction in 20 minutes what is the frictional torque
a firefighter with a weight of 715 nslides down a vertical pole with an acceleration of 285 ms2 directed downwarda what
a 35-kg box is pulled with a 55-n force at 38 degrees above the horizonal surface coefficent of kinetic friction
a bicycle pump has a barrel that is 75 cm long about 30 in if air is drawn into the pump at a pressure of 097 atm
a thin film of polystyrene is used as a nonreflecting coating for fabulite the index of refraction of polystyrene is
a spacecraft is in a circular orbit of radius 33104 km arounda 191030 kg pulsar the magnetic field of the pulsar at
a tuning fork vibrating at 514 hzfalls from rest and accelerates at 980 ms2 how far below the point of release is the
a bicycle has wheels with adiameter of 0640 m it accelerates uniformly and the rate ofrotation of its wheels increases
masses 2m 4m and 3m are located at the points 1-1 2 0and 3 -1 respectively find the centre of mass of this
draw all stereoisomers of 2-bromo-4-methylpentane use bold and hashed wedges to indicate the
0085 nm photon collides with astationary electron after the collision the electron movesforward and the photon recoils
a the atmospheric pressure at the summit of mt mckinley is 6 x 102 mmhg on a certain day what is the pressure in atm
a mass attached to a spring experiences a displacement x 3cost 4sint what is the amplitude of the simple harmonic
a solution contains 0750 m ha ka 10 x 10-6 and 0250 m naa what is the ph after 0100 mole of hcl is added to 100 l of
a parallel plate capacitor has a voltage of 111v appliedacross its plates then the voltage source is removed what is
two charged particles areprojected in the same direction into a magnetic field perpendicularto their velocities if the
draw the skeletal structure of 2r3r-dibromosuccinic acid 2r3r-23-dibromobutanedioic acid show one wedge bond one dashed
when red light in a vacuum is incident at the brewster angleon a certain type of glass the angle of refraction is
electric current is creating magnetic field if an electric current is flowing througha coild wire such that it circles
draw the skeletal structure of meso-23-dibromosuccinic acid meso-23-dibromobutanedioc acid show one wedge bond one
after the second exam your evil instructor is finally thrown upinto the air at the edge of a cliff with a velocity of
an alternating source drives a series rlc circuitwith an emf amplitude of 580 v at aphase angle of 325deg when
to a solution containing both acetic acid and sodium acetate hcl is added beside hydroxide ions which species will
an lc oscillator consists of a 200 nf capacitor and a 110 mh indictor the maximum voltage is450 v what area the