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a 56 newton horizontal force pushes a 50 kg mass sitting on a horizontal surface additionally the horizontal surface
a 024 kg blog of clay is thrown at a wall with an initial velocity of 24ms if the clay comes to a stop in 91ms what is
a 0140 kg baseball is thrown with a velocity of 432 ms it is struck with an average force of 5000 n which results in a
calculate the launch velocity needed to successfully land the ball into the bucket for each distance and enter it in
the reading for this week includes the following statement it is emphasized that scientists through their
a 009-kg lead bullet traveling 294 ms strikes an armor plate and comes to a stop if all of the bullets energy is
an electrical motor spins at a constant 2463 rpm if the armature radius is 6318 cm what is the acceleration of the edge
a particular motor can provide a maximum of 1100 nm of torque assuming that all of this torque is used to accelerate a
a 95 n force exerted at the end of a 09m long torque wrench gives rise to a torque of 15nm what is the angle assumed to
a car heading north collides at an intersection with a truck heading east if they lock together and travel at 28ms at
a 1200 kg cannon fires a 1000kg cannonball at 45ms what is the velocity of the cannon assume that frictional forces are
a 1200 kg ore cart is rolling at 108ms across a flat surface a crane dumps 711kg of ore vertically into the cart how
a 1200kg car moving at 205ms collides with a stationary car of mass 1500kg if the two vehicles lock together what is
the ground state energy of an electron in an infinite square well of width 308 nm is the same as the energy of the n 3
a proton is trapped in an infinite square well of width 150 nm assuming that the system is in the n 2 state calculate
the energy of a particle in the second excited state of a harmonic oscillator potential isnbsp37nbspev what is the
the wave function for an electron that is confined to x ge 0 nm isnbsppsix0nbspxlt0nmbe-x73nmnbspxge0nmwhat is the
a particle confined in a rigid one-dimensional box of length 17 fm has an energy level en 288 mev and an adjacent
a uniform cantilever beam of mass m per unit length has its free end pinned to two springs of stiffness k and mass m0
a block of wood is floating in water the volume of the block is 001 m3 a force is pushing on the top of the block so
a 03 kg block of aluminum at 200 degc is placed in an insulated container with 10 kg of ice at 0 degc the final state
a 15kg ball is on a slope with an initial height of 2 m it rolls down the slope and collides with a stationary 60 kg
a load of 100 ib at the wing tip of a fighter plane produced a corresponding deflection of 078 inif the fundamental
a block of wood is floating in water the volume of the block is 01m3 a force is pushing on the top of the block so that
a kg block is being pushed along a surface by a force of 70 n the coefficient of kinetic friction between the block and