Hypothetical potential energy curve for aparticle of mass m If the particle is released from rest at position r0, its speed atposition 2r0, is most ne

Question

Hypothetical potential energy curve for aparticle of mass m If the particle is released from rest at position r0, its speed atposition 2r0, is most ne

EunoR 2021-05-10 Answered

Hypothetical potential energy curve for aparticle of mass m
If the particle is released from rest at position r0, its speed atposition 2r0, is most nearly
a)

{(\frac{8 U o}{m})}^{1} {/ 2}

b)

{(\frac{6 U o}{m})}^{\frac{1}{2}}

c)

{(\frac{4 U o}{m})}^{\frac{1}{2}}

d)

{(\frac{2 U o}{m})}^{\frac{1}{2}}

e)

{(\frac{U o}{m})}^{\frac{1}{2}}

if the potential energy function is given by

U (r) = b r^{P} - \frac{3}{2}} + c

where b and c are constants
which of the following is an edxpression of the force on theparticle?
1)

\frac{3 b}{2} (r^{- \frac{5}{2}})

2)

\frac{3 b}{2} {3 b} {2} (r^{- \frac{1}{2}})

3)

\frac{3 b}{2} {3} {2} (r^{- \frac{1}{2}})

4)

2 b (r^{- \frac{1}{2}}) + c r

5)

\frac{3 b}{2} {2 b} {5} (r^{- \frac{5}{2}}) + c r

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