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The coefficient of linear expansion of an alloy is 1.20 x 10-5 (oC)-1. At 20.0o C a tube made of this alloy has a length of 18.0200 m. The tube is cooled to -25.0o C. Calculate the change in length (ΔL) of the tube. Remember that a negative change in length means that the length decreases, and a positive change in length means that the length increases.
A 7.00×10-1 H coil with a resistance of 1.62×101 Ohm is in series with a 3.01×102 Ohm resistor. find the rms value of the potential difference across the resistor
a bicycle has wheels with a diameter of 0.680 m. it accelerates uniformly and the rate of rotation of its wheels
Identify and compare at least four to five factors (cost, shelf life, weather, etc.) that impact transportation needs. Determine appropriate logistics methods in various scenarios (local, out-of-state, regional, coast-to-coast, and global)
Oppositely charged parallel plates are separated by 5.78 mm. A potential difference of 600 V exists between the plates. find the magnitude of the electric field between the plates
imagine someone drops an apple from a vertical distance.
Mars rotates on its axis once every 24.8 hours. Find the altitude of a geosynchronous satellite orbiting Mars
Why does air circulate from a point with less pressure towards one with more pressure? (We have a tunnel, and on one side the wind blows faster than at the other)
A Carnot engine operates between the temperatures 300 K and 350 K. Determine how much heat is discarded for the engine to produce 2700 Joule of work
question a uniform ladder of mass m and length l leans against a frictionless wall. if the coefficient of static
A pendulum is made with a 4.00 kg mass suspended at the end of a 75.0 cm thin rod. What is the velocity of the pendulum as it passes through the origin
A diatomic gas at pressure P1= 6.0 × 105-Pa undergoes an isobaric expansion from a volume of V1= 0.99-m3 to a volumeV2= 1.9-m3, then undergoes an isovolumetric change to pressure P2= 1.1 × 105-Pa, followed by an isobaric contraction back to V1 and fi..
1. A baby throws a piece of ice at 0degree from a high chair. The ice travels down, and stops after it lands on the floor. You may define your own parameters for heights and speeds. When constructing energy interaction diagrams below, clearly specif..
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