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at the earths surface a projectile is launched straight up with aspeed of 101 kms to what height will it rise ignore
two infinite positively charged plates with a uniform chargedensity of 680 mucm2 are placedparallel to the yz-plane
develop an expression for the electric field anywhere inside thecylinder to check your result what is the magnitude of
an object was weighted in water oil and alcohol its loss of weight in water was 750 gr-wt in oil 490gr-wt and in
a policeman investigating an accident measures the skid marks left by a car the distance between the point that the
a vehicle is speeding at 115 kmh on a straight highway when a police car moving at 145 kmh enters the highway from an
a 50-kg disk is fired along the positive x axis with a speed of 9 ms toward a 57-kg disk that is initially at rest
a proton accelerates from rest in a uniform electric field of650 nc at some later time its speedis 13 106 msa find the
a bicycle wheel of radius 050 m is rolling without slipping on a horizontal surface with an angular speed of 3pie rads
a car is driven from point a to b at a constant speed of 250ms along a straight line and then back from point b to a at
a 20 kg hoop rolls without slipping on a horizontal surface so that its center proceeds to the right with a constant
a paperweight is made of a solid glass hemisphere with index of refraction 150 the radius of the circular cross section
a block of mass 75kg is sliding along a frictionless table with height of 12mnbsp the block travels the length of the
the nucleus of a promethium-145 atomcontains 61 protons assume that thenucleus is a sphere with radius 569fm and with
obtain the wavelength in vacuum for blue light whose frequency is 6253 x 1014 hz express your answer in nanometers 1 nm
at what distance along the central axis of a uniformly chargedplastic disk of radius r 140 m is themagnitude of the
suppose 238 l of an ideal monatomic gas at a pressure of 260 105 kpa is expanded adiabatically no heat transfer until
a rope of length 8 meters and mass 004 kg is fixed at both ends the tension of the rope is 49 n what are the positions
two people one having a mass of 40 kg and the other having a mass of 60 kg stand at one end of a small uniform boat of
two racing boats set out from the same dock and speed away at thesame constant speed of 809 kmh for half an hour 0500 h
consider water vapor h2o at 26 degc what percentage of water vapor molecules have a speed within 1 ms of the most
a charge of 230 muc is located at 440 m 622 m and a charge of -150 muc is located at - 450m 675m nbspwhat charge must
three point charges have equal magnitudes two being positiveand one negative these charges are fixed to the corners of
an ordinary glass is filled to the brim with 3340 ml of water at 100degc if the temperature decreased to 12degc how