Question
A block with mass m = 5.7 kg is attached to two springs with spring constants k left = 36 N/m and k right =
A block with mass m = 5.7 kg is attached to two springs with spring constants kleft= 36 N/m and kright= 53 N/m. The block is pulled a distance x = 0.22 m to the left of its equilibrium position and released from rest.
1)What is the magnitude of the net force on the block (the moment it is released)?
_N
2)What is the effective spring constant of the two springs?
_N/m
3)What is the period of oscillation of the block?
_s
4)How long does it take the block to return to equilibrium for the first time?
_s
5)What is the speed of the block as it passes through the equilibrium position?
_m/s
6)What is the magnitude of the acceleration of the block as it passes through equilibrium?
_m/s2
7)Where is the block located, relative to equilibrium, at a time 0.91 s after it is released? (if the block is left of equilibrium give the answer as a negative value; if the block is right of equilibrium give the answer as a positive value)
_m
8)What is the net force on the block at this time 0.91 s? (a negative force is to the left; a positive force is to the right)
_N
9)What is the total energy stored in the system?
_J
10)If the block had been given an initial push, how would the period of oscillation change?
the period would increase
the period would decrease
the period would not change
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