A rod of mass 9 kg and length 5 m is fixed at one end to an frictionless axle. The rod is rotated about the fixed end from rest by applying a torque 4.53 Nm for 20 seconds. What is the final angular
momentum of the rod in units of kg m2/s (up to 2 decimal places)?

an effect of the steamboat's popularity was that people began building canals in the united states and europe. this was done to find another way to transport goods across the country and in that time, transportation using the river was very slow and dangerous. it depended entirely on manpower and the current of the river. that all changed in the late 1700's when steamboats were introduced. they soon revolutionized travel and trade through the river and dominated the waterways. eventually, other means of transportation took over from the steamboats, but there was a time that they the united states to expand to the west.

yellow fever and other tropical diseases

the use of email to replace slower surface mail.