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A model rocket is launched straight upward with an initial speed of 49.4 m/s. It accelerates with a constant upward acceleration of 2.25 m/s2 until its engines stop at an altitude of 187 meter.
Compute the maximum height reached by the rocket?
Answer in units of m
Determine how long after lift-off does the rocket reach its maximum height?
Answer in units of s
Determine how long is the rocket in the air?
A submarine is 304 m horizontally out from the shore and 126 m beneath the surface of the water. A laser beam is sent from the sub so that it strikes the surface of the water at a point 232 m from the shore. If beam just strikes the top of a building..
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In the circuit shown in the figure, the capacitors are all initially uncharged and the battery has no appreciable internal resistance. find the maximum potential difference across each capacitor
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A 1.00 m 3 container of air absorbs 5857 J of heat at a constant pressure of 1.00 atm. Air has a density of 1.20 kg/m 3, a constant-pressure specific heat of 10*10 J/(kg·°C), and a thermal coefficient of expansion of 3.67 X10-3 (°C)-1.
You are on an unknown planet. You throw an object straight up with an initial speed of 5ms. It takes 6 seconds for the object to return to your hand. Will the object's maximum height be higher or lower on the earth? What is the gravitational accelera..
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