19. (15 polnts) A post office clerk pushes a package initially at rest) down the ramp for 1 second with a force of P = 2
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19. (15 polnts) A post office clerk pushes a package initially at rest) down the ramp for 1 second with a force of P = 2
19. (15 polnts) A post office clerk pushes a package initially at rest) down the ramp for 1 second with a force of P = 20 N. Find the speed of the package at t = 5 sec. Nealect friction. The mass of the package is m='12 ka. P=20N P=20N 12 77777
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