Physics, 14.09.2019 06:30 aaminohasan142
Ateam is building a ballistic ball launcher. the target is 18 ft above the ground, and it needs to catch the ball at the top of its trajectory. your launcher throws balls from 0.50 m above the ground and must be located 6 m from the target. at what speed must the launcher toss the food in m/s? at what angle above the horizontal must the launcher toss the food? explain.
Answers: 3
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Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude
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Physics, 22.06.2019 12:00
Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.
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What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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Ateam is building a ballistic ball launcher. the target is 18 ft above the ground, and it needs to c...
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