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Dynamics and mechanism
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Ql. ,/t
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If s,: t (5 / + 2) mandbr= 4 / mat time t. Find the magnitude anddirection of the velocity and acceleration when l: 10 s.Sekiranyas,:t(5 / + Z1 mdansy:4 t2 mpadomasat. Carinilaidanarahbagi halaju dan pecutan pada masa t : l0 s.
(20 marks/markah\
At a given instant the jet plane has a speed of 120 m/s and an accelerationof 2l m/s2 acting in the direction shown. Determine:
Figure QrlblRajah SI[b]
The rate of increase in the plane's speed, and
Kadar pertambahan laju jet, dan
The radius of curvature pof the path
Jejari kelengkungan, p laluan
(20 marks/markah\
(20 marks/markah\
F(Pada keadaan yang ditunjukkan, sebuah jet mempunyai kelajuan I20 m/s danpecutan 2I m/s2 bertindak pada arah yang ditunjukkan. Tentukan:
(i)
(ii)
:,alt'
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