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An airplane flies eastward and always accelerates at a constant rate. At one position along its path it has a velocity of 31.1 m/s, it then flies a further distance of 47700 m and afterwards its velocity is 48.7 m/s. Find the airplane's acceleration and calculate how much time elapses while the airplane covers those 47700 m.
Three identical point charges each of charge q are located at the vertices of an equilateral triangle, Find a symbolic expression for the electric potential at the center of the triangle
a 2.60-g lead bullet at 32.0degc is fired at a speed of 210 ms into a large block of ice at 0degc in which it becomes
Near the earth the intensity of radiation from the sun is 1.35 kW/m2. What volume of space in this region contains 1.0 J of electromagnetic energy? (c = 3.0 x 108 m/s, ?0 = 4? × 10-7 T ? m/A, ?0 = 8.85 × 10-12 C2/N ? m2) options:
A dental x-ray typically affects 205 g of tissue and delivers about 4.15 μJ of energy using x-rays that have wavelengths of 0.0255 nm. How many photons are absorbed during the dental x-ray
show that the horizontal distance that the aircraft engine falls is 8400 m. If the airplane somehow continues to fly as if nothing had happened. where is the engine relative to the airplane at the moment the engine hits the ground?
The power radiated by an object is 145 W. If the object were a perfect blackbody radiator (and otherwise was the same) it would radiate 587 W. What is the emissivity of the object
How does porosity differ from permeability? How does a zone of saturation differ from a zone of aeration?
An airbus A320 has a takeoff mass of 75,000 kg. It reaches a takeoff speed of 82 m/s in 35 s. What is the thrust of the engine
A map of a burned area obtined from remote sensing contains 120 pixels. The remote sensing image shows that the fire is isolated to 73 of 120 pixels.
A banked circular highway curve is designed for traffic moving at 60 km/h. What is the minimum coefficient of friction between tires and road that will allows
a straight horizontal conducting rod of length 0.45 m and mass 60 g is suspended by two vertical wires at its ends. a
A three cell flashlight draws a current of 0.60A what is the operating resistance of the light bulb if each cell provided a power of 1v when delivered?
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