1. Suppose a large rock is ejected from a volcano with a speed of 25m/s and at an angle of 35 above the horizontal. If the rock strikes the side of the volcano at an altitude 20m lower than the
starting point.
(a) Calculate the time it takes the rock to reach the starting point.
(b) What are the magnitude and direction of the rock's velocity at impact?

falling water hydro = water .. spectcular places these plants are

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.