Based on the chemical equation provided, use the drop-down menu to choose the coefficients that will balance the chemical equation. (
)H2 + (
)O2 → (
)H2O

Alow cost, low earth orbit (leo) satellite is to be fabricated at a university, for subsequent launch by rocket. what are the constraints and objectives for selection of a material suitable for the satellite bus (i. e. the structure)? explain each in brief. (15 marks) b)suggest sources of data which could support the selection of materials for applications in space. (5 marks) c) set weights for the objectives listed in (2a) using the digital logic method. (5 marks)

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative