AIPMT 2006 | Work, Energy and Power Question 46 | Physics

AIPMT 2006

MCQ (Single Correct Answer)

-1

The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by 8 cm the potential energy stored in it is

U/4

16U

AIPMT 2005

MCQ (Single Correct Answer)

-1

A force F acting

AIPMT 2005 Physics - Work, Energy and Power Question 22 English

on an object varies with distance x as shown here. The force is in N and x in m. The work done by the force in moving the object from x = 0 to x = 6 m is

18.0 J

13.5 J

9.0 J

4.5 J

AIPMT 2004

MCQ (Single Correct Answer)

-1

A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 feet ball building. After a fall of 30 feet each towards earth, their respective kinetic energies will be in the ratio of

$$\sqrt 2 $$ : 1

1 : 4

1 : 2

1 : $$\sqrt 2 $$

AIPMT 2004

MCQ (Single Correct Answer)

-1

A particle of mass m₁ is moving with a velocity v₁ and another particle of mass m₂ is moving with a velocity v₂. Both of them have the same momentum but their different kinetic energies are E₁ and E₂ respectively. If m₁ > m₂ then :

E₁ < E₂

$${{{E_1}} \over {{E_2}}} = {{{m_1}} \over {{m_2}}}$$

E₁ > E₂

E₁ = E₂

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