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a bullet of mass 50 g is fired horizontallyinto a 23 kg wooden block at rest on a horizontal surface the coefficient of
a woman is 16 m tall and has a mass of 53 kg she moves past anobserver with the direction of the motion parallel to her
a 750kg skier rides a 2830m long lift to the top of a mountainthe lift makes an angle of 146o with the horizontal what
the space between two concentric conducting spherical shells ofradii b 170 cm and a 120 cm is filled witha substance
a plane is pointed in the positive x direction andis flying with an speed of 200 0 0 ms relativeto the air however due
your projectile launching system ispartially jammed it can only launch objects with an initialvertical velocity of 420
to basketball player bounces the 060-kg basketball to anotherplayer by bouncing it off the court the ball hits the
a 262-kg dog is running northward at 305ms while a 530-kg cat is running eastward at 353 ms their 693-kg ownerhas the
four equal masses m are placed at equal intervals l along a horizontal straight rod whose mass can be ignored the
a stone is dropped from rest into a well the sound of the splashis heard exactly 200 slater find the depth of the well
a firm wants to determine the amount of frictional torque intheir current line of grindstones so they can redesign them
a house has a floor area of 115m2 and an outside wall that has an area of 24 m2 the earths magnetic field herehas a
compute the torque developed by an industrial motor whoseoutput is 175 rm kw at an angular speed of 4000 rm revrm mina
a light ray is propagating in a crystal where its wavelengthis 531 nm it strikes theinterior surface of the crystal
in a certain binary-star system each star has the same mass as oursun and they revolve about their center of mass the
a cat is brought into a vets office you need to find itscenter of gravity you place its front legs on a scale thatreads
in a pool game the cue ball which has an initial speed of70 ms make an elastic collision withthe eight ball which is
a space station shapedlike a giant wheel has a radius 98 m and amoment of inertia of 504 108kgmiddotm2 a crew of 150
a light ray is propagating in a crystal where its wavelengthis 599 nm it strikes the interior surface of the crystal
a certain beta-decay process has three components with maximum energies 0672 0536 and 0256 mev the first component has
calculate the minimum thicknessof a soap bubble film index of refraction135that results in constructive interference in
you have discovered a new asteroid which has a moon in anelliptical orbit around it from a series of observationsyou
an electric fan is running on high after the low button ispressed the angular speed of the fan decreases to 914 rads in
a 120 kg object is taken to a height of 350 km above the earths surface what is the objects weight at this
a batter strikes a baseball moving horizontally towards him at 15 ms the ball leaves the bat horizontally at 24 ms 40