Equation h(t) = -5+ ²+ 30t gives the height
in meters above the ground after t second's of a throw rock.
The rock is thrown from a window of a building
that is
O meters above the ground. The upwand
velocity of the rock is 30 sec. Complete the table of
values and a graph of the entire vertical flight of the rock,
b
Given h(t) at tltta the time to reach the maximum height an
he) -5300
times
2a
b

When a vertical beam of light passes through a transparent medium, the rate at which its intensity i decreases is proportional to i(t), where t represents the thickness of the medium (in feet). in clear seawater, the intensity 3 feet below the surface is 25% of the initial intensity i0 of the incident beam. what is the intensity of the beam "10" feet below the surface? (give your answer in terms of i0. round any constants or coefficients to five decimal places.)

What are the dimensions of the cross section that passes through the points a, f, g, and d?

Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.