A ball is thrown vertically upward from the top of a building 112 feet tall with an initial velocity of 96 feet per second. The distance s (in feet) of the ball from the ground after t seconds is s(t)=112+96t−16t^2. a. Find s(t)=100
b. Find s(t)=200

The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?

The radius of an atom is closest in size to a

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic