An 80-G Bullet Is Suddenly Shot into a 4 $2500 \mathrm {~N} / \mathrm { m }$

question 134

Multiple Choice

An 8.0-g bullet is suddenly shot into a 4.0-kg block that is at rest on a frictionless horizontal surface,as shown in the figure.The bullet remains lodged in the block.The block then moves against a spring and compresses it by 3.7 cm.The force constant (spring constant) of the spring is $2500 \mathrm {~N} / \mathrm { m }$ What was the initial speed v of the bullet?

• A)460 m/s
• B)440 m/s
• C)480 m/s
• D)500 m/s
• E)520 m/s

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Definitions:

Output Instruction

In PLC programming, an Output Instruction is used to control the state of an output based on the logic implemented in the program.

Program Rung

A horizontal row in a ladder logic program, representing a basic control circuit where conditions lead to actions.

Continuously On

Refers to an electrical circuit or device state where power is supplied without interruption, maintaining an active or energized condition indefinitely.

Ladder Rung

A component of a ladder diagram in programmable logic controllers, representing a condition leading to an output action.