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a man stands on the roof of a building of height 130and throws a rock with a velocity of magnitude 300 at an angle of
consider three ants each clinging for dear life to the top surface of an ordinary compact disc and not moving with
you have two capacitors c1410 nf and c2260nf and a dc battery vbatt900 volts the two capacitors are connected to the
a walkway suspended across a hotel lobby is supported at numerous points along its edges by a vertical cable above each
an em wave has a wave vector kx2yradm the magnetic field amplitude is bo143x10-10t2x-yz determine the electric field
a pitcher throws a 0140 kg baseball and it approaches the bat at a speed of 350 ms the bat does wnc 750 j of work on
a swing is made from a rope that will tolerate a maximum tension of 10 103 n without breaking initially the swing
a force of 83 newtons is applied to a wire with a diameter of 05 mm what is the tensile stress in nm2 in the
the average speed of blood in the aorta is 0314 ms and the radius of the aorta is 105 cm there are about 196 times 109
a partially evacuated airtight container has a tight-fitting lid of surface area 817 cm2 and negligible mass if the
a uniform steel bar swings from a pivot at one end with a period of 11s how long is the
an engine develops an output of 117 hp when rotating at 2300 rpm compute the output
a large gate weighing 145 n is supported by hinges at the top and bottom of the wooden frame and is further supported
a ray of light is incident at angle 60 degrees on the upper surface of a transparent plate of thickness h1cm and the
a thin rod of length 080 m and mass 210 g is suspended freely from one end it is pulled to one side and then allowed to
a 1 uc charge is held 10 cm directly above the origin a -1 uc charge is held 5 cm directly to the right of the origina
michelle is enjoying a picnic across the valley from a cliff she is playing music on her radio assume it to be an
a rock weighing 400 n sits on the edge of a 60 m cliff after falling 15 m how much kinetic energy does the rock have
a certain light truck can go around a flat curve having a radius of 150 m with a maximum speed of 320 ms with what
a rock weighing 400 n sits on the edge of a 60 m cliff how much potential energy does it have please
when seven people whose average mass is 83 kg sit down in a car they nd that the car drops 099 cm lower on its springs
a car of mass 1000 kg starts from rest and accelerates to a velocity of v 24 ms in a time interval of t 11 seconds if
when the mars rover was deployed on the surface of mars in july 1997 radio signals took about 121 min to travel from
a nucleus is moving in the direction at 48x105 ms when it decays into an alpha particle 4he and a 234th nucleuspart a
a rectangular block of irons of resistivity 968 x 108 ohms has dimensions 150 x 120 x 120 cma what is the minimum