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a car moving with an initial speed v collides with a second stationary car that is one-half as massive after the
a 637-kg canoeist stands in the middle of her canoe the canoe is 39 m long and the end that is closest to land is 25 m
a 65 kg woman and an 80 kg man stand 100 m apart on frictionless icea how far from the woman is their cm mb if each
after a completely inelastic collision between two objects of equal mass each having initial speed v the two move off
a parallel-plate capacitor is constructed using a dielectric material whose dielectric constant is 200 and whose
by holding a magnifying glass 29cm from your desk lamp you can focus an image of the lamps bulb on a wall 18m from the
a square loop of wire surrounds a solenoid the side of the square is 01 m while the radius of the solenoid is 0025 m
a 15 kg mass is held at rest on top of a frictionless and horizontal table a light string loops over a pulley which is
a rocket of total mass 3180 kg is traveling in outer space with a velocity of 115 ms toward the sun it wishes to alter
determine the amplitude and phase of the resultant motion when two sinuosidal motions having the same frequency and
the equation of a transverse wave traveling in a rope is given byy10sinx001x-2000where y and x are expressed in
a solid uniform ball roll without slipping up a hill as shown initially at the bottom of the hill the ball has a linear
a circular metal loop whose radius is 60 cm carries a current of 50 a it is horizontal while the earths field points
the position of a particle is given by the expression x 200 cos 200t where x is in meters and t is in secondsa
a steel wire of length 192 with circular cross section must stretch no more than 0300 when a tensile stretching force
in an engine a piston oscillates with simple harmonic motion so that its position varies according to the expression x
a carnot engine operates between asource temerature of 700 degrees celsius and a sink temperatiure of 20 degrees
a gun has a spring constant of 10ncm when the gun is inclined upward by 30 degree to the horizontal a 10 g ball is shot
one generator uses a magnetic field of 015 t and has a coil area per turn of 0045 m2 a second generator has a coil area
a shopper pushes a cart 23 m south down one aisle and then turns 900deg west and moves 23 m he then makes another
a steel wire has the following properties cross-sectional area 0040 cm2 youngs modulus 20 x 1011 pa shear modulus
a small ball rolls off the roof edge of a building with a horizontal speed of 23 ms the ball hits the ground a distance
a projectile is shot straight up from the earths surface at a speed of 120times104 kmhr how high does it
a thick spherical shell of charge q and uniform volume charge density is bounded by radii r1 and r2 where r2 gt r1
a garden hose of inner radius 05 cm carries water at 20 ms the nozzle at the end has radius 020 cm how fast does the