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a raft is 39 m wide and 65 m long whencargo is loaded onto the raft it sinks 29 cm deeper into the water what is the
in the park a mom pushes tangentially on a hand-drivenmerry-go-round and is able to accelerate it from rest to
a wind turbine is initially spinning at a constant angular speedas the winds strength gradually increases the turbine
a tennis ball initially moves with a velocity of 260 ms horizontally to the right a tennis racketstrikes the ball
a child slides down a snow covered slope that makes an angleof 20 degrees with the horizontal if the coefficient of
a runner of mass m 37 kg and running at 28 ms runs as shown and jumps on the rim of a playground merry-go-round which
the two-dimensional infinite corral of the figure below is squarewith edge length l 110 pm asquare probe is centered
an electron is in a certain energy state in a one-dimensionalinfinite potential well from x 0 to x l 250 pm the
a 1680 kg car accelerates uniformly from rest to a speed of 192msin 422sa find the average power delivered by the net
a small block on a frictionless horizontal surface has a mass of250times10-2kg it is attached to a masslesscord passing
a 2000 kg sailboat experiences an eastward force of 3000 n by the ocean tide and a wind force against its sails with
a conductor suspended by two flexible wiresas shown below has a mass per unit length of 0040 0 kgm what current must
in a certain cyclotron a proton moves in a circle of radius0600 m the magnitude of the magneticfield is 110 ta what is
a body c of mass m8 kg initially at rest slides without friction along the surface of a block b which is inclined by 54
a ball of relatively low density is thrown upwards because ofair resistance the acceleration while traveling upwards
after fixing a flat tire on a bicycle you give the wheel aspina if its initial angular speed was 615rads and it rotated
the mass of the sun is 20x1030nbspkg and the mass ofa hydogen atom is 167x10-27nbspkg if we assume that the sun is
a wire of initial length l0 and radiusr0 has a measured resistance of 40 the wire is drawn under tensile stress to a
in a double-slit experiment two parallel slits are illuminatedfirst by light of wavelength 464 nm and then bylight of
in a double-slit experiment slits separated by1210e-4 m are illuminated by a coherent571 nm light source what is the
a runner of mass m37kg and running 28 ms runs and jumps on the rim of a playground merry go round which has a moment of
two isotopes ofa certain element have binding energies that differ by 1403 mev the isotope with the larger binding
a wheel turns through 34 rev as it slows from an angular speedof 25 rads to a stopwhat is the angular
a skier starts from rest at the top of a hill the skier coasts down the hill and up a second hill the crest of the
a circular beaker is 40 cm tall and has a radius of 2 cm itinitially holds water at a depth of 25cm it is then