Arock containing valuable minerals that can be mined is called

a. an inorganic compound
b. an igneous rock
c. an ore
d. an organic compound

The correct answer is c. hope this

Work is reduced while time is decreased

I'm having some difficulty seeing the diagram clearly.but the question says there's a net inward force on the object.so we know right away,  from newton's 2nd law of motion, thatthat baby is accelerating.  it doesn't even matter which way thenet force is pointing.  if there's any net force, then either theobject's speed or else its direction must be changing.