What type of object is called the object at rest ? sort answer.
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An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic