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An oil layer floats on 85 cm of water in a tank. The absolute pressure at the bottom of the tank is 112.0 kPa. How thick is the oil?
A wheel 55-cm in diameter accelerates uniformly from 240 rpm to 395 rpm in 5.0 s. How far will a point on the edge of the wheel have travelled in this time.
An unknown nucleus has twice the volume of a nucleus with 62 nucleons. What is the atomic mass number of the unknown nucleus
The brakes of a truck cause it to slow down by applying a retarding force of 4520 N to the truck over a distance of 1150 m
A Molecule of DNA is 2.17 um long. The ends of the molecule become strongly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 0.78% upon becoming charged. Determine the effective spring con..
A 150 kg hoop rolls along a horizontal floor so that the hoop's center of mass has speed of 0.180 m/s. How much work must be done on the hoop to stop it.
An electric dipole has opposite charges of 6.35*10^-15 C seperated by a distance of 0.29mm, Determine magnitude of the torque exerted on the dipole by the electric field.
Iodine molecules dissociates into atoms after absorbing light of 4500 A.If one quantum of radiation is absorbed by each molecule, Find the KE of the iodine atoms
Three beads are placed along a thin rod. The first bead has a mass m1=28g placed at a distance d1= 0.7 cm from the left of the rod. Calculate the numeric value of location of the center of mass relative to the middle bead in cm
A 2.9 kg block is released from rest on a 45° inclined ramp. The block will lose energy to friction at a constant rate of 4 J/m as it slides down the ramp
King Arthur's knights fire cannon from the top of the castle wall. The cannonball is fired at a speed of 60 m/s and an angle of 33. A cannonball that was accidentally dropped from the top of the castle wall hit the moat below in 1.80s.
A 32.0 µF capacitor is connected to a 45.0 omegacap.gif resistor and a generator whose rms output is 30.0 V at 60.0 Hz. compute The phase angle for the circuit
An automobile has a total mass of 2200 kg. It accelerates from rest to 70 km/h in 40 s. Assume each wheel is a uniform 44 kg disk. find the total kinetic energy of the automobile
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