An electric field around two charged objects is shown. What are the charges of objects X and Y? X: negative Y: positive X: positive Y: positive X: negative Y: negative X: positive Y: negative

Which would not reduce the amount of green house gasses in the air

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?

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving