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Consider a V = 1.4-m3 open container made out of thin metal sheets with a linear expansion coefficient α = 204 × 10-6-°C-1. The container is filled to the brim with a liquid whose volume expansion coefficient is β = 25 × 10-6-°C-1. The container and liquid are initially at a temperature of Tini = 87-°C, but are allowed to cool down to Tfin = 13.7-°C. How much of the liquid spills over as a result? You may assume that the metal sheets have zero thickness.
A 15-cm-long, 210 g rod is pivoted at one end. A 22 g ball of clay is stuck on the other end. What is the perios if the rod and clay swing as a pendulum?
Bob and Jane are flying in their airplane, headed eastward and accelerating uniformly. Directly above the relay tower near the airport it has a velocity of 25.9 m/s. They then fly a further distance of 43300 m and their air velocity is 45.5 m/s.
having found the minimum kinetic energy of an alpha particle inside a nucleus to be roughly 2.0 mev and given that the
Some of the earliest atomic models held that the orbital velocity of an electron in an atom could be correlated with the radius of the atom. If the radius of the hydrogen atom is 5.29*10 -11 m and the electrostatic force is responsible for the circul..
A 1 kilogram object is moving in the x direction at 17.7 m/s. Just3.8 second later, it is moving at31.5 m/s at 32.4° to the x axis. Find the direction and magnitude of force applied during this time
A 675 kilogram elevator starts from rest and moves upward for 3.40 second with constant acceleration until it reaches its cruising speed, 1.65 m/s. Find the average power of the elevator motor during this period
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
An astronomical telescope for hobbyists has an angular magnification of -150. The eyepiece has a focal length of 4.90 mm, About how long is the telescope
A lens (positioned at x=1.5) and a lit object in the shape of an upright arrow is to the left by the lens. The object is positioned (x = 0.5) such that it results into a virtual image. The position of the virtual image is not given. A converging l..
You wish to whirl a pail of water in a vertical circle withoutspilling any drop of its contents. what minimum tangential speed is required
Determine the orbital speed of a satellite that circles the Earth with a period of 2.50 104 s. The mass of the Earth is 5.97 1024 k
400 g block, attached to the end of an ideal spring (horizontal) with force constant k=10 K/m, Calculate angular frequency of the oscillations
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