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_45. Q

IP A 2.6 kg block slides with a speed of 2.5 m/s on a
frictionless horizontal surface until it encounters a
spring.
Part A
If the block compresses the spring 5.6 cm before coming to rest, what is the force constant of the spring?
Express your answer using two significant figures.
?
k =
N/m
Submit
Request Answer
Part B
What initial speed should the block have to compress the spring by 1.4 cm?
Express your answer using two significant figures.
m/s

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