<span>why is your formula x=? if i'm reading it right the formula is the height of the object at time t.
That being the case, set your setup (which looks right) equal to 0 and solve for t.
This will tell you how long it takes to hit the ground.
Plug this value of t into the forumla -9.8t+2.8 and that will tell you the speed at time t.</span>
Answer:
is to observe through the telescope, study stars inside of the nebula and sometime enhance he pcture to see the real color of the nebula. hopes this helps.
Well it depends it has to be some kind of metal material if not then it will not pick it up Hope this helps:)
It will possibly be A) chemical b/c it can make a sound like when the bar hits the ball it makes a sound correct?! and also it created heat especially when it hits the ball. and when the ball MOVES and the bar HITS it creates kinetic energy, but when you hit the ball it doesn’t create a new substance.