Question

A particle of mass 2 kg moving along X axis is being
acted upon by a single conservative force denoted by
. The potential energy of the particle is
U(x) = 20+(x-2) where U is in joule and is in
metre. The velocity that the particle possesses at
x = 5 m is 4 ms... Based on the above facts, answer the
following questions
The maximum kinetic energy possessed by
the particle is​

Answer 1

Answer:

39 joules

Explanation:

Brainly.in

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Secondary School Physics 5 points

A particle of mass 2 kg moving

along x axis is being acted upon by

a single conservative force denoted

by" (*). The potential energy of the

i U (x) = 20+(x-2)',

particle is

where U is in joule and is in metre.

The velocity that the particle

possesses at x = 5m is 4 ms -1

Based on the above facts, answer

the following questions.

The system possesses a

mechanical energy equal to

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Answers

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nidaeamann Expert

Answer:

39 Joules

Explanation:

The mechanical energy of the system would be a sum of the potential energy and kinetic energy.

The potential energy of the system is U (x) = 20+(x-2)

Now to find the energy at x =5

P.E = 20 + (5-2)

P.E = 23

Now at this point, velocity is 4ms-1

Kinetic energy would be;

K.E = 1/2 mv^2

K.E = 1/2 (2) x (4)^2

K.E = 16

Total mechanical energy = 23 + 16 = 39 Joules