physics question? HELPP (1 Viewer)

[erfanau123]

a long jumper left the ground at an angle of 15* and jumped a distance of 7m .considering this result, calculate the velocity of the long jumper when leaving the ground
(3 marks) specimen hsc questions

 

[InVinsanity]

what year?

 

[InVinsanity]

11.71 m/s

 

[Wight]

 

[erfanau123]

in the success one topics sections,/ space q3 b

 

[taeyang]

I just did it and got v = 11.71ms as well so I guess thats your answer buddy

 

[weirdguy99]

You can also take t=(2usin15)/9.8 (from v=u+at). The 2 is there because you double the time to get the time-of-flight.