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Rotation + Translation

Two blocks A ...

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Two blocks A and B of equal masses are sliding down along straight parallel lines on an inclined plane of 45^° . Theircoefficients of kinetic friction are u = 0.2 and H0.3 respectively. At t = 0, both the blocks are at rest and block A is2 meter behind block B. The time and distance from the initial position where the front faces of the blocks come in2.line on the inclined plane as shown in figure. (Use g\lbrack JEE 2004 (Scr.) 3/84110 ms2.)2mBFixed45(A) 2s, 8/2m(B) 2 s, 7m(C) 2 s, 7/2m(D) 2s, 7//2 mA disc is kent on a

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A

B

of equal masses are sliding down along straight parallel lines on an inclined plane of

45^{\circ}

. Their coefficients of kinetic friction are

μ_{A} = 0.2

μ_{B} = 0.3

respectively. At

t = 0

, both the blocks are at rest and block

A

\sqrt{2}

meter behind block

B

. What is the time (in second) taken from the initial position where the front faces of the blocks come in line on the inclined plane as shown in figure. (Use

g = 10 m s^{- 2})

.

A

B

of equal masses are released from an inclined plane of inclination

45^{\circ}

t = 0

. Both the blocks are initially at rest. The coefficient of kinetic friction between the block

A

and the inclined plane is

0.2

0.3

B

. Initially the block

A

\sqrt{2} m

behind the block

B

. When and where from the position of A, front faces of both the blocks will come in a line? (Take

g = 10 m / s^{2})

A

B

of equal masses are released from an inclined plane of inclination

45^{\circ}

t = 0

. Both the blocks are initially at rest. The coefficient of kinetic friction between the block

A

and the inclined plane is

0.2

0.3

B

. Initially the block

A

\sqrt{2} m

behind the block

B

. When and where from the position of A, front faces of both the blocks will come in a line? (Take

g = 10 m / s^{2})

Q. Two blocks A and B of equal masses are release from an inclined plane of inclination

45^{o}

t = 0

. Both the blocks are initially at rest. The coefficient of kinetic friction between the block A and the inclined plane is

0.2

0.3

for block B. Initially the block A is

\sqrt{2}

m behind the block B. Calculate when their front faces will come in a line. (Take

g = 10 m / s^{2})

Q. Two identical block

A

B

are placed on a rough inclined plane of inclination

45^{o}

. The coefficient of friction between block

A

0.2

and that between

B

0.3

. The initial separation between the two blocks is

\sqrt{2} m

. The two blocks are released from rest, then find

(a)

The time after which front faces of both blocks come in same line and

(b)

The distance moved by each block for attaining above position.

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