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1 a two-point source interference pattern is created in a ripple tank using identical sources in phase describe the
a block weighing 80n rests on a plane inclined at 30o to the horizontal the coefficients of static and kinetic friction
a soap bubble hanging from the end of an open tube contracts under the action of its surface tension the coefficient of
unpolarized light of intensity i0 is sent through three polarizers the axis of the second polarizer is at an angle
light of frequency 800 times 1014 hz ejects electrons from surface a with a maximum kinetic energy that is 220 times
a uniform solid sphere of mass m and radius r and a uniform solid cylinder of the same mass and radius are released
special forms of the ray-transfer matrix consider the following situations in which one of the four elements of the
a nonrotating rod of mass m and length l is dropped onto the freely spinning disk of mass m and length l they then
the same light is incident on 2 surfaces a and b and the emitted electron from a has 1810-19 j more energy than from b
which of the 2 having same mass and radius will reach bottom of an incline first a solid cylinder or sphere what
two connected blocks are pulled across a horizontal frictionlesssuface as shone in the figure if the acceleration of
questiongive that a spring balance extends by 65cm when a load of of mass 65kg is hanged on it determine the spring
a car moves with a constant acceleration of 32 ms2at a time of 5 s it is 140 m beyond a mile marker at a time of 10s it
1 how does human activity impact greenhouse gases found in the atmosphere2 what are some simple changes humans can do
a 10g ball is thrown at a 25oangle above the horizontal with a speed of 20ms what is the momentum of the
suppose that a heat engine is connected to two energy reservoirs one a pool of molten aluminum 660degrees celsius avid
if we built a new bridge in kumlonigsberg between the island and the top and bottom banks of the river could we take a
try to find an interesting condition involving the degrees of the vertices of a simple graph that guarantees that the
the distance between new york city and washington dc is 245 miles if you drive half of the distance at 500 miles per
the hamiltonian path problem is the problem of determining whether a graph has a hamiltonian path explain why this
what is the sum of the maximum size of an independent set and the minimum size of a vertex cover in a graph g hint it
projectile a with a speed of 30ms and projectile b with a speed of 60 ms are released horizontally and simultaneously
let g be a connected graph with no odd cycles let x beavertex of g let x be all vertices at an even distance from x and
a star is a another name for a tree with one vertex connected to each of n other vertices so a star has n 1 vertices