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Two weeks ago, the ocean froze over near the coast. While the air temperature reached -28 oC, the ocean water only reached a temperature of -2.436 oC before freezing. What is the concentration of all the combined particles in the ocean (in m)?
Water has a density of 1.00 kg/L.
Water has a Kf of 1.86 oC/m.
A small button placed on a horizontal rotating platform withdiameter 0.320m will revolve with the platform when it is broughtup to a speed of 40.0 rev/min, How far from the axis can the button be placed
two crewmen pull a raft through a lock . one crewman pulls with a force of 130 at an angle of 34 relative to the
A solid cylinder utilized for smoothing concrete is rolling without slipping along a horizontal surface by a speed of 5.4 m/s. The cylinder has a radius R=0.58 m, mass m=69 kg and moment of inertia I=(1/2)mR2 . You bring the cylinder to rest by exert..
a container of ideal gas for which the thermal energy is given by eth 2.6 n r t is initially at pressure pi 1.1 x
most of the suns energy comes from the proton-proton chain in which four hydrogen nuclei i.e. protons fuse into one
Atmospheric pressure the rate of change of atmospheric pressure P with respect to the altitude above sea level h is proportional to the pressure.
It is desired that 7.5C of charge be stored on each plate of a 4.5 -F capacitor. What potential difference is needed between the plates?
A 2.04 kg object is subjected to three forces that give it an acceleration vector a = -(8.00 m/s2)i hat + (6.00 m/s2)j hat. Find the third force
Obtain what the initial speed of the ball if it just passes over the goal, 2.4 meter above the ground, given the initial direction to be 40 degree above the horizontal
A uniform horizontal lever of length 4.8 m pivoted at its mid-point is in equilibrium. The following forces are acting on the lever: an unknown upward force (force with upward vertical component) that makes an angle of 40 deg with the horizontal-left..
Calculate the energy of the electron in the ground state of triple ionized beryllium, which has an atomic number Z = 4
A model rocket is fired vertically from rest. It has a net acceleration of 15.0 m/s2. After 1.1 s, its fuel is exhausted and its only acceleration is that due to gravity. how high does the rocket travel
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