An archer shoots an arrow horizontally at a target 15m away
An archer shoots an arrow horizontally at a target 15m away. The arrow is aimed directly at the center of the target, but it hits 54cm lower.
What was the initial speed of the arrow?
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A bowling ball of mass 7.00kg is rolling at 3.00m/s along a level surface. Calculate the ball's rotational kinetic energy
If a constant voltage drop of 16 V is maintained across an inductance of 140 mH that was initially carrying 1.6 A of current, how much time elapses before the inductor's stored energy reaches 590 mJ?
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A circuit element hiden inside a paper bag draws a current that varies with time t (in seconds) according to the current function i(t) = 0.032 sin(2350·t) Amps, while the voltage drop across this element is given by the function v(t) = 8.27
An archer shoots an arrow horizontally at a target 15m away. What was the initial speed of the arrow
Two points in a rectangular coordinate system have the coordinates (4.7, 2.5) and (-2.5, 4.7), Determine the distance between these points
A 800- kg car collides with a 1500- kg car that was initially at rest at the origin of an x-y coordinate system. What was the initial speed of the lighter car
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The complete combustion of methane, CH4, to form carbon dioxide gas and oxygen gas at constant pressure releases 890 kJ of heat per mole of methane consumed. (a) Write a balanced thermochemical equation for this reaction. (b) Draw an enthalpy diagram
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