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Maths

helpplease346

http://prntscr.com/16c74b3
s=h u=0 v=? a=g t=?
Can you please show me the working out. Thank you

Reply 1

helpplease346

Original post by helpplease346

http://prntscr.com/16c74b3
s=h u=0 v=? a=g t=?
Can you please show me the working out. Thank you

I have got to this so far http://prntscr.com/16c7vve . I do not know what to do after this

Reply 2

helpplease346

Original post by helpplease346

I have got to this so far http://prntscr.com/16c7vve . I do not know what to do after this

I got t= sqrt 2h/g so far (first bounce) i do not know what to do after

Reply 3

ghostwalker

Original post by helpplease346

I got t= sqrt 2h/g so far (first bounce) i do not know what to do after

Good so far.

Now think of it being projected vertically upwards (the bounce) and getting to a height of h/2. How long does that take? And double it for the whole motion between the two bounces.

Reply 4

helpplease346

Original post by ghostwalker

Good so far.

Now think of it being projected vertically upwards (the bounce) and getting to a height of h/2. How long does that take? And double it for the whole motion between the two bounces.