An object is thrown at an angle `60^(@)` above horizontal with velocity `20ms^(-1)`. How do the radial acceleration `a_(c)` vary during ascent.
An object is thrown at an angle `60^(@)` above horizontal with velocity `20ms^(-1)`. How do the radial acceleration `a_(c)` vary during ascent.
A. decreases
B. increases
C. remain same
D. data insufficient
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`a_(r)=g cos theta`
`because theta` decreasing during ascent
`therefore a_(r)` increasing.
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