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An elastic collision takes place between two masses,  and , moving on a frictionless surface as shown in Fig. The spring constant is  N/m

What is the velocity of block 2 at the instant when block 1 is moving to the right with a velocity 3.00 m/s?

a)

1.50 m/s

b)

c)

4.64 m/s

d)

m/s


Question ID - 101127 :-

An elastic collision takes place between two masses,  and , moving on a frictionless surface as shown in Fig. The spring constant is  N/m

What is the velocity of block 2 at the instant when block 1 is moving to the right with a velocity 3.00 m/s?

a)

1.50 m/s

b)

c)

4.64 m/s

d)

m/s

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

Applying conservation of momentum,



Next Question :

Two waves W1 and W2 have wavelength 0.01  and 9000  respectively. These two waves are

(a)

W1 is gamma ray and W2 is infrared ray

(b)

W1 is beta ray and W2 is gamma ray

(c)

W1 is infrared ray and W2 is light ray

(d)

None of these


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