A block on a rough, horizontal surface is attached to a horizontal spring of negligible mass. The other end of the spring is att
ached to a wall. The spring is
compressed such that the block is located at position X. When the block-spring system is released, the block travels to the right through position Y and
continues to travel to the right through position Z. Free body diagrams for the block at positions X, Y, and Z are shown in the figure. At which position does the
block have the greatest kinetic energy?
A
х
B
Y
Z
The answer cannot be determined without knowing the exact speed of the block at each position.
compressed such that the block is located at position X. When the block-spring system is released, the block travels to the right through position Y and
continues to travel to the right through position Z. Free body diagrams for the block at positions X, Y, and Z are shown in the figure. At which position does the
block have the greatest kinetic energy?
A
х
B
Y
Z
The answer cannot be determined without knowing the exact speed of the block at each position.
1 answer:
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Explanation:
According to Newton's second law of motion, the rate of change of momentum is directly proportional to the applied unbalanced force. The mathematical expression is given by:
Where
F is the applied force
m is the mass of the object
v is the velocity with which it is moving
Momentum of a particle is given by the product of mass and velocity as :
Hence, this is the required solution.