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A cylindrical lead rod with a diameter of 2.54 cm and a length of 76.2 cm is initially at a temperature of 20.0 C. Next, 2.27 kg of mercury at a temperature of 357 C is poured over the rod.
a) After reaching equilibrium, what is the final temperature of the rod and the mercury?
b) After reaching equilibrium, what is the length of the rod, in cm?
c) After reaching equilibrium, what is the volume of the rod?
A playground merry-go-round has a radius of 4.60 {rm m} and a moment of inertia of 250 kg m^2 and turns with negligible friction about the vertical axle through its center.
On Apollo Moon missions, the lunar module would blast off from the Moon's surface and dock with the command module in lunar orbit. Find the impact speed of the lunar module
At a particular instant of time a light beam traveling in the positive x direction, find the direction of the electric field and explain
suppose that a projectile which is subject to a linear resistive force is thrown down with a speed of Vyo which is greater than the terminal speed Vterm. Describe and explain how the velocity varies with time, and make a plot of Vy against t for t..
Consider a binary star system in which the two stars have masses M1 and M2 and the stars move on circular orbits separated by a distance R
Air conditioners are rated by their coefficient of performance at 60F inside temperature and 96F outside temperature. What is the maximum possible coefficient of performance
A converging lens with a focal length f1 = 4cm is placed to the left of a second identical lens f2. What is the separation distance between the two lenses
A cyclist is traveling at an initial speed of 10.0m/s. She accelerated at a rate of 0.500m/s^2. What is her final speed after 9.
A beam of light is traveling in air and strikes a material. The angles of incidence and refraction are 56.1° and 48.5°, respectively
To make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole
A 60.0 g bullet is fired from a muzzle velocity of 525 m/s from a gun with mass 4.50 kg and a barrel length of 55.0 cm, Find the bullet's momentum as it leaves the barrel
In the figure below, a slide loving pig slides down a certain 32° slide in twice the time it would take to slide down a frictionless 32° slide. What is the coefficient of kinetic friction between the pig and the slide
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