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Compute the enthropy change of the lead that occurs when 2.00 kg of lead at 40.0oC are placed in a very large quantity of water at 10.0oC (this means the water does not change temperature and the equilibrium temperature is 10.0oC). The specific heat of lead is 128 J/(kg-K)
on average venus is 0.72 au from the sun and its surface temperature is 735 k. calculate how much of this is due to
Consider a dry air parcel at -12 degrees celsius and 450mb that descends adiabatically down to the surface where p=1000mb, Calculate the potential temperature at the surface
Vectors A and B have scalar product -3.00 and their vector product has magnitude 9.00. What is the angle between these two vectors
A 12 kg mass is connected to a spring of constant 75 N/cm and thesystem is sent into simple harmonic oscillation. what is the period of the resulting oscillation
The average intensity of light emerging from a polarizing sheet is 0.767 W/m2, and the average intensity of the horizontally polarized light incident on the sheet is 0.937 W/m2. Determine the angle that the transmission axis of the polarizing shee..
find the maximum height reached by a body of mass 5 kg thrown with a speed of 10 m/s. take g= 10 m/s^2. find also the work done in reaching that height
A lunar lander is making its descent to Moon Base I. The lander descends slowly under the retro-thrust of its descent engine. What is the speed of the lander
A point particle travels in a straight line at constant speed, and the closest distance it comes to the origin of coordinates is a distance L. By respect to this origin, does the particle have a nonzero angular momentum? As the particle moves along i..
a blue cart (mass=0.400kg) makes an elastic collision with a red cart (mass=0.750kg), How much kinetic energy is lost in the collision
a 1000-hz tone from a loudspeaker has an intensity level of 101db at a distance of 2.5 mif the speaker is assumed to be
The fastest measured pitched baseball left the pitcher's hand at a speed of 42.0m/s. what acceleration did he give the ball
An object is placed 8cm in front of a converging lens with a focal length of 18cm. What is the lateral magnification
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