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The magnitude of a single force action on a particle of a mass m is given by F = bx2 where b is a constant. The particle starts from rest. After it travels a distance L, estimate what is its kinetic energy and speed.
Superconductors have been discussed as a means for electrical energy storage. Because they are resistanceless, how much electrical energy (in kWh) could be stored
a major leaguer hits a baseball so that it leaves the bat at a speed of 28.5 and at an angle of 35.7 above the
A tire placed on a balancing machine in a service station startsfrom rest and turns through 5.5 revs in1.2 s before reaching its final angularspeed. calculate the wheel's angular acceleration
two cylinders are made of the same unknown material. the first has a radius r1 resistance r1 and mass m1. the second
a classical system of n distinguishable non-interacting particles of mass m is placed in a three dimentional harmonic
Two hockey pucks, A and B, on a frictionless surface are coverd with velcro. Both pucks have a mass of .50kg. puck A is moving south @ a speed of 1.2m/s and B is moving east at a speed of 1.6m/s. the two collide and stick toge
use the uncertainty principle to obtain the uncertainty in the momentum of a particle of mass m confined to a cube of
A 5.60kg mass is pushed against a spring (k=2000N/m) such that the spring is compressed 12 cm. The mass is released, slides1.50m down the incline, along which μ=0.140. Decide the kinetic energy as it reaches level ground.
Two carts with masses of 10.60 kg and 2.50 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 6.70 m/s and 3.50 m/s, in that order. The carts stick together after colliding head-on. Find the final speed of..
two objects collide and bounce off one another. after the collision object m1 3.10 kg moves off at 8.9 ms at a heading
as 771.0 kg copper bar is put into a smelter for melting. the initial temperature of the copper is 300.0 k. how much
N bricks, each having height h and mass m, are lying on the floor in a configuration of minimal potential energy. Find the minimum energy required to put all bricks one on top of another
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