Physics, 18.01.2020 02:31, Jcmandique3444
A(hypothetical) large slingshot is stretched 4.00 m to launch a 440 g projectile with speed sufficient to escape from earth (11.2 km/s). assume the elastic slingshot obeys hooke's law. (a) what is the spring constant of the device, if all the elastic potential energy is converted to kinetic energy? incorrect: your answer is incorrect. n/m (b) assume that an average person can exert a force of 220 n. how many people would be required to stretch the slingshot? people
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Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm
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A(hypothetical) large slingshot is stretched 4.00 m to launch a 440 g projectile with speed sufficie...
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