Question

the net force acting on the particledepends on its position as shown in figure.choose the current statement​

Answer 1

Answer:

A particle is acted upon by a force F which varies with position x as shown in figure. If the particle at x=0 has kinetic energy of 25 J, then the kinetic energy of the particle at x=16 m is

Explanation:

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Answer 2

Answer:

⇒ 1

Explanation:

t=0

t=1e

t=1e2

None of these

Answer :

B

Solution :

∵p=tlnt

∴F=dpdt=ddt(tlnt)=(1)lnt+(t)(1t)=1+lnt

F=0⇒1+lnt=0⇒lnt=−1⇒t=e−1=1