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a model of a helicopter rotor has four blades each of length 330 m from the central shaft to the blade tip the model is
a rotating wheel 180 cm in diameter is decelerating at 021rads21 what is the tangential linear acceleration of a point
assume there was a process by which two photons each with momentum 05 mevc could collide and make a single particle
radio waves from a star of wavelength 247 m reach a radio telescope by two separate paths one is a direct path to the
a string vibrates according to the equation y 05 sin 037 x cos 64 t where x and y are in centimetres and t is in
the potential dissimilarity between the plates of a parallel plate capacitor is 35 v and the electric field among the
the ratio of the mass of the earth to the mass of the moon is 826 suppose that the radius of the earth is about 64940
a coin placed on a turntable rotating at 363 revmin will stay there if its center is placed no further than 100 cm from
any vector space v satisfies the ten axioms among which the last one isfor any vector urarr 2 v 1urarr urarr where 1
a velodrome track is banked so that a bicycle traveling at 796 kmh will have no tendency to slip to either side when
through 021 s a wheel rotates through an angle of 212 rad as a point on the periphery of the wheel moves with a
a ball first ball is dropped from rest from a height 200 m above the ground another ball is thrown second ball
a 51- kg concrete block rests on a level table a 31- kg mass is attached to the block by a string passing over a light
the wheels axle and handles of a wheelbarrow weigh w 62 n the load chamber and its contents weigh wl 665 n the drawing
a car not refrigerator takes heat from water at 0 degrees celsius and rejects heat to a room temperature at 20 degrees
two horses pull horizontally on ropes attached to a tree stump each horse pulls with a force of magnitude f if the
a block of mass 50 kg slides 19 m from rest down an inclined plane making an angle of 22 o with the horizontal if the
a 2100 kg block is pushed up a frictionless inclined plane that makes an angle of theta 39o with the horizontal
a circular wire loop of radius 149 cm carries a current of 304 a it is placed so that the normal to its plane makes an
a simple pendulum of length 25 m creates 50 complete swings in 16s what is the acceleration of gravity at the location
there is probably a discrepancy among the expected value of -2 and the measured value for the power in the inverse
a wheel is rotating freely at angular speed 290 revmin on as haft whose rotational inertia is negligible a second wheel
an uncharged capacitor is connected to the terminals of a 30 v battery and 60 muc flows to the positive plate the 30 v
electrons are emitted from a surface when the light of wavelength 500 nm is shone on the surface but electrons are not
1 what is the compton effect what are the implications for the compton effect for physical theory that is can you