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A steel section of the Alaskan pipeline had a length of 65 m and atemperature of 22°C when it was installed. What is its change in length when the temperature dropsto a frigid -48°C?
q1. in an 8.00 km race one runner runs at a steady 11.0 kmh and another runs at 14.3 .kmhr.how far from the finish line
two billion years ago a uranium deposit in oklo africa spontaneously underwent nuclear fission. this was determined by
A 5.4 m-long rod of (constant diameter 4.6 mm) is made of 2.0 m of copper and the remainder of aluminum (see above). What is the heat flow rate through the composite rod
An electron is in a certain energy state in a one-dimensional,infinite potential well from x = 0 to x =L = 250 pm. What is the change in the electron's energy
A2.85-kg bucket is attached to a disk-shaped pulley of radius 0.121m and mass 0.742 kg. If the bucket is allowed to fall, (a) what is its linear acceleration? (b) What is the angular acceleration of the pulley? (c) How far does the bucket drop in 1.5..
A 9-g bullet is fired from a rifle. It takes 3.30 10-3 s for the bullet to travel the length of the barrel, find the average net force exerted on the bullet
A block of mass 0.489 kg is placed on the end of a spring which has a stiffness of 337 N/m. What is the frequency of oscillation
If the sphere is enclosed in a room whose walls are kept at -5°C, what is the net flow rate of energy out of the sphere
A man strikes a long aluminum rod at one end. Another man, at the other end with his ear close to the rod, How long is the rod
What is the average kinetic energy of helium atoms in a region of the solar corona where the temperature is 5.10 ? 105 K
What is the maximum distance we can shoot a dart, from ground level, provided our toy dart gun gives a maximum initial velocity of 2.78 m/s and air resistance is negligible
You have two containers of a monatomic ideal gas that are intially at the same Pressure, Volume, and Temperature. What is the difference in work done in these processes, 1 - 2
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