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a pulley with a radius of 100 cm is mounted on an axle that passes through the center of the pulley the axle allows the
given the reaction 2als 3h2so4aq --gt al2so43 aq 3h2g what volume of h2 gas measured at stp will be produced from 540
a 0477 kg block of wood hangs from the ceiling by a string and a 00680 kg wad of putty is thrown straight upward
a frictionless block of mass 235 is attached to an ideal spring with force constant 250 at the spring is neither
an artillery shell of mass 1000 kg lying at rest on the ground accidentally detonates exploding into three pieces of
if the molar of a binary compound has a molar mas between 145 and 160 amu and contains 5298 oxygen and the balance
when a cannon with a longer barrel is fired the force of expanding gases acts on the cannonball for a longer distance
a 300 kg block is released from rest at the elevated end a of a frictionless track that slopes down to a point b and
a white billiard ball with mass mw 143 kg is moving directly to the right with a speed of v 342 ms and collides
calculate the number of joules of heat required to change 850 grams of water at 25 degrees c to steam at 100 degrees c
a bumper car with mass m1 1090 kg is moving to the right with a velocity of v1 49 ms a second bumper car with mass m2
a 02 m3 rigid tank initially contains refrigerant 134a at 1 mpa saturated vapor the tank is connected to a supply line
a sample of serum has a mass of 54 mg and a volume of 225 cm3 what is its density in gcm3 what would be the mass of
two balls of negligible radius are connected by a rod with a length of 150 m the rod has a negligible mass one ball has
a circular platform of radius rp 595 m and mass mp 359 kg rotates on frictionless air bearings about its vertical
a proton moves perpendicular to a uniform magnetic field at a speed of 190 107 ms and experiences an acceleration of
a proton and an electron have the same kinetic energy upon entering a region of constant magnetic field what is the
lead has a critical temperature of 7 2 k and a critical field at 4 2 k of 430 acm a what is the critical field at t 1
consider a dielectric material with dielectric constant e and with a given free charge distribution per unit volume f
a long horizontal wire carries a current of 48 a a second wire made of 25-mm-diameter copper wire and parallel to the
a bowling ball mass 74 kg radius 011 m and a billiard ball mass 036 kg radius 0028 m may each be treated as uniform
imagine you are holding an object in your hand with your forearm horizontal and your upper arm vertical so your elbow
pre-lab questions1 what makes up the total energy of a system2 mathematically what similarities do gravitational
when a voltage of 120 v is applied across the two ends of a cylindrical wire of length l radius r and resistivity an
a parallel plate capacitor has a surface area of a 332 cm2 and a plate separation of d 133 mm how much charge does