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Misconceptions about PE

The potential...

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The potential energy of an object of mass m moving in xy plane in a conservative field is given by ∪=ax+by, Where x and y are position coordinates of the object.Find magnitude of its acceleratio

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Q. The potential energy of an object of mass

m

x y

plane in a conservative field is given by

u = a x + b y

x

y

are position coordinates of the object. Find magnitude of its acceleration.

Q. A particle of mass

m

is moving in a field where the potential energy is given by

U (x) = U_{0} (1 - cos a x)

U_{0}

a

are positive constants and

x

is the displacement from mean position. Then (for small oscillations):

Q. The potential energy (in joule) of a body of mass

2 kg

x - y

plane is given by

U = 6 x + 8 y

, where the position coordinates

x

y

are measured in metres. The body is at rest at point

(6 m, 4 m)

t = 0

. It will cross the

y -

t

Q. The potential energy for a conservative force system is given by

U = a x^{3} - b x

a

b

are constants. Choose from the options, the correct

x

coordinate(s) of the equilibrium position(s).

Q. The potential energy of a conservative system is given by

U = A x^{2} - B x

x

represents the position of the particle.

A

B

are positive constants. Then

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Misconceptions about PE

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