The transportation revolution can best be described as a period of a. rapid growth and speed and convenience of travel b. rebellion against foreign countries use of american shipping lanes c. economic depression brought on by inferior models of travel d. public disapproval of traditional models of transit

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction

Matter that emits no light at any wavelength is called