WBJEE 2021 Physics and Chemistry Solved Paper

PHYSICS

CATEGORY - I (Q1 to Q30)

Carry 1 mark each and only one option is correct. In case of incorrect answer or any combination of more than one answer, ¼ mark will be deducted.

Question : 5 of 80

Marks: +1, -0

A block of mass m slides with speed v on a frictionless table towards another stationary block of mass m. A massless spring with spring constant k is attached to the second block as shown in figure. The maximum distance the spring gets compress through is

√
m
k
v
√
m
2k
v
√
k
m
v
√
k
2m
v

Validate

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