AIPMT 2003 | Work, Energy and Power Question 53 | Physics

AIPMT 2003

MCQ (Single Correct Answer)

-1

A particle moves along a circle of radius $$\left( {{{20} \over \pi }} \right)$$ m with constants tangential acceleration. If the velocity of vthe particle is 80 m/s at the end of the second revoluation after motion has begun, the tangential acceleration is

40 m/s²

640$$\pi $$ m/s²

160$$\pi $$ m/s²

40$$\pi $$ m/s²

AIPMT 2003

MCQ (Single Correct Answer)

-1

When a long spring is stretched by 2 cm, its potential energy is U. If the spring is stretched by 10 cm, the potential energy stored in it will be

U/5

10U

25U

AIPMT 2001

MCQ (Single Correct Answer)

-1

A particle is projected making an angle of 45^o with horizontal having kinetic energy K. The kinetic energy at highest point will be

$${K \over {\sqrt 2 }}$$

$${K \over 2}$$

AIPMT 2001

MCQ (Single Correct Answer)

-1

Two springs A and B having spring constant K_A and K_B (K_A = 2K_B) are stretched by applying force of equal magnitude. If energy stored in spring A is E_A then energy stored in B will be

2E_A

E_A/4

E_A/2

4E_A

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