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a block of mass 31 kilogram rests on a frictionless inclined plane held in place by a string of mass 0023 kilogram the
it takes 180 kj of work to accelerate a van from 210 ms to 275 ms evaluate what is the van
a farmhand pushes a 23 kilogram bale of hay 39 meter across the floor of a barn if she exerts a horizontal force of 91
a 60 ohm resistor and a 40 ohm resistor are connected in parallel to a 120 volt power supplya determine the total
a porsche 914 accelerates uniformly from 0 to 60 miles per hour n 5 seconds assuming a frictionless air track and a
a 56 kilogram rock with a volume of 3 l is completely submerged in water the density of water is 1 kgla find what
a 99919 lb force is applied to a surface that measures 77 in long and 84 in wide find the pressure exerted on surface
the density of a 10 kilogram cube of nickel is 89 gcm3 determine what would the density of a 5 kilogram cube of nickel
a cylindrical metal can with a radius of 425 centimeter is floating upright in water a rock is located in the can
a boy stands on a bathroom scale in a motionless elevator when the elevator begins to move the scale briefly reads only
a diver can change his rotational inertia by drawing his arms and legs close to his body in the tuck position after he
a playground merry-go-round of radius 200 meter has a moment of inertia i 290 kgbullm2 and is rotating about a
a determine what is the speed at which the pluto goes around the sunin msb find how does the plutos centripetal
1is the ventricular afterload a determinant of cardiac performance or does cardiac performance determine the
meyerh of method to calculate the ultimate bearing capacitynbspuse the meyerhof method to calculate the ultimate
a ball is thrown up with an initial speed of 32ms from a height of 84m1 how long is the ball in the air2 what is its
a motorcycle rider moving with an initial velocity of 68 ms uniformly accelerates to a speed of 194 ms in a distance of
a 044 kg air cart is attached to a spring and allowed to oscillate you are given the displacement of the air cart from
a 65kg skier is moving at 6050 ms on a frictionless horizontal snow-covered plateau when she encounters a rough
a helicopter starting from rest accelerates straight up from the roof of a hospital the lifting force does work in
the inner edge of a race track is in the form of a rectangle with two semicircular ends on the shorter sides the
a hawk is flying north at 20 ms with respect to the ground 100 s later it is flying south at 50 msnbspwhat is its
a mass m descends a vertical distance from rest neglect friction and the mass of the string a from the conservation of
two metal plates are held together with two steel rivets each of diameters of 020 cm and length 10 cm how much force
the velocity of an object in simple harmonic motion is given by vt -0287 mssin180t 200pi where t is in seconds what is