When will the object reach a vertical displacement of 5.0m?

[alexparker]

An object is projected horizontally with an initial velocity of 3.0m/s

A) When will the vertical displacement be 5.0m
B) What will the horizontal displacement be at this time

Have difficulty's with A

 

[rock.freak667]

Consider vertical components and then use the equations of motion.

 

[PhanthomJay]

You can use the kinematic equations in the vertical direction, once you know the value of the downward acceleration in the vertical y direction and the initial velocity in the y direction. Identify these values as 'givens', then which of the kinematic equations would you choose?

 

[alexparker]

thanks
i was getting really close but not quite but i just realized that there is only one sig fig,
so when i round it i get the right answer