Ais dropped from the top of a building and hits the ground in 10 seconds. another ball b is thrown straight down from the same building one second after dropping ball a. neglect air resistance and consider g - 9.8 m/s2 . what should be the initial velocity of ball b so that it hits the ground simultaneously with ball a: select one: o a. 9.8 m/s b. 20.6 m/s c. 4.3 m/s d. 10.3 m/s

Which type of circuit is becoming more common in residential electrical design and construction? a. hazardous-area circuit b. three-phase circuit c. 480-volt circuit d. communication circuit

Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato