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A group of students launches a model rocket in the vertical direction. Based on tracking data, they determine that the altitude of the rocket was 89.6 ft at the end of the powered portion of the flight and that the rocket landed 16s later. Knowing that the descent parachute failed to deploy so that the rocket fell freely to the ground after reaching its maximum altitude and assuming that g=32.2 ft/s2, determine (a) the speed v1 of the rocket at the end of powered flight, (b) the maximum altitude reached by the rocket.
Vertical plane due to the action of the external moment and determine the external moment or force.
derive the equation for maximum deformation of a beam in 3 point bending following steps will be helpfula fully draw
a team of astronomers have proposed to construct a large parabolic telescope mirror by spinning a cylindrical container
a 0.75 inch diameter aluminum tension rod is 5 feet long and carries a load of 3000 ibf. find the tensile stress the
A 10-kg mass slides down a ramp inclined at 30o from the horizontal a total vertical distance of 3 m. Determine the velocity of the mass when it reaches the bottom, neglecting friction and air resistance.
The 25-kg bar has a centre of mass at G.If it is supported by a smooth peg at C,a roller at A and cord AB, determine the reactions at these supports.
counters a and b are non-paralyzable with dead times of 30 or 100 microseconds respectively. at what true event rate
Consider a thermal energy reservoir at 1500 K that can supply heat at a rate of 150,000 kJ h-1. Determine the exergy of this supplied energy, assuming an environmental temperature of 25 oC.
2. a certain production process produces two parts a bearing and a shaft. in the final assembly the shaft and the
vector r is the difference between vectors t and s. if s is inclined 28 degrees from the vertical and the angle between
a food liquid with a viscosity of 0.0209 lbf-sft2 is being pumped through a two-inch stainless steel pipe at a rate of
explain the different experiment.purpose of this practical is to verify the law for parallelogram of forces law for
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