Abox having a mass of 50 kg is dragged across a horizontal floor by means of a rope tied on the front of it. the coefficient of friction between the box and the floor is .3. if the angle between the rope and the floor is 30 degrees, what force must be exerted on the rope to move the box with an acceleration of 2.5 m/second squared
Answers: 2
Physics, 21.06.2019 17:10
The dissociation energy of a molecule is the energy required tobreak apart the molecule into its separate atoms. the dissociationenergy for a particular molecule is 5.48 x 10-18 j.suppose that this energy is provided by a single photon. determinethe (a) wavelength and (b) frequency of the photon
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Physics, 21.06.2019 17:30
What is the relationship between the wavelength of a wave and it's energy?
Answers: 1
Physics, 22.06.2019 15:50
The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.
Answers: 2
Physics, 22.06.2019 16:40
Acapacitor is storing energy of 3 joules with a voltage of 50 volts across its terminals. a second identical capacitor of the same value is storing energy of 1 joule. what is the voltage across the terminals of the second capacitor?
Answers: 3
Abox having a mass of 50 kg is dragged across a horizontal floor by means of a rope tied on the fron...
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