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10 Nov 2019
An artillery shell is launched on a flat, horizontal field at anangle of a = 37.6° with respect to the horizontal and with aninitial speed of v0 = 272 m/s.
(a) What is the horizontal velocity of the shell after 20.21 s offlight? (Neglect air friction. Use the coordinate system where thex-axis is horizontal and points to the right; and the y-axis isvertical and points up.)
(b) What is the vertical velocity of the shell at this moment?
An artillery shell is launched on a flat, horizontal field at anangle of a = 37.6° with respect to the horizontal and with aninitial speed of v0 = 272 m/s.
(a) What is the horizontal velocity of the shell after 20.21 s offlight? (Neglect air friction. Use the coordinate system where thex-axis is horizontal and points to the right; and the y-axis isvertical and points up.)
(b) What is the vertical velocity of the shell at this moment?
Collen VonLv2
29 Jul 2019
