find the answer to the following question
Asked by
| 25th Jun, 2008,
09:32: AM
Expert Answer:
Let the initial velocity(modulas) be u and final velocity be v.
Now vx=ucos30
vy=usin30-gt
Angle at which ball strikes=45
Now tan45=-vy/vx
Hence vy=vx
or ucos30=-usin30+5g
or u=50/(sin30+cos30)=36.6 ms-1
h=|usin30(5)-0.5(10)(25)|=|125/(sin30+cos30)-125|=33.5 m
Answered by
| 6th Aug, 2008,
07:03: PM
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