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recently a new element has been isolated temporarily named ununseptium with atomic number 117 the longest-lived
two fictional heavy particles are fired towards each other in a linear accelerator particle 1 moving towards the
question 1two fictional heavy particles are fired towards each other in a linear accelerator particle 1 moving towards
water flows over a waterfall 10 meters to a turbine water flows at a rate of 10kgsechow much power is delivered to the
the gravitational acceleration on the surface of mercury is 038 times that of earth its radius is also about 038 times
two physical pendulums not simple pendulums are made from meter sticks that are suspended from the ceiling at one end
an object is placed to the left of a lens and a real image is formed to the right of the lens the image is inverted
for a diverging lens f -220 cm find the image distance for an object that is 220 cm from the lensdetermine the
a projectile is launched horizontally from a 30 m high cliff with a speed of 400 ms how far from the base of the cliff
a beam of sunlight encounters a plate of crown glass at a 5270deg angle of incidence crown glass has n 1520 for red
if you have a light wave that travels through a couple of slits which are 174 mm apart the light travrls to a screen
if a spaceship is approaching the earth at 018c and a message capsule is sent toward it at 046c relative to the earth
particles called -mesons are created by accelerator beams if these particles travel at 280 108 ms and live 260 10-8 s
a lump of putty with a mass of 0210 kg and a speed of 0830 c collides head-on and sticks to an identical lump of putty
light of wavelength 700 nm falls on a 047 mm wide slit and forms a diffraction pattern on a screen 13 m awaya find the
a spring oscillator is desgined with a mass of 568 kg it opperates while immersed in a damping fluid selected so that
a single slit forms a diffraction pattern with the first minimum at an angle of 4000 degree from central maximum when
a block with mass 05 kilograms is covering a hole in a horizontal table from below the table a bullet with mass 5 grams
a jet engine emits sound uniformly in all directions radiating an acoustic power of 291 times 105 w find the intensity
a circuit consists of a resistor and a capacitor in series with an ac source that supplies an rms voltage of 240 v at
a nucleus moving at 06c through the lab decays emitting a photon in the forward direction with what speed does the
a classroom demonstration is done with an atwood machine the masses are m1 10 kg and m2 114 kg if the larger mass
a 10- kg mass is attached to a string wrapped around a shaft of negligible mass and having a 70- cm radius a
a helicopter starting from rest accelerates straight up from the roof of a hospital the lifting force does work in
a cue ball mass 0145 kg is at rest on a frictionless pool table the ball is hit dead center by a pool stick which