A Lift Is Used to Raise Objects to the Back

question 60

Multiple Choice

A lift is used to raise objects to the back of a moving truck.If the maximum power the lift is capable of delivering is 98 W,what is the maximum constant speed with which this lift can raise a 5.0 kg crate straight up from the ground to the back of the moving truck? The back of the moving truck is 5.0 m above the ground.

• A)19 m/s
• B)2.0 m/s
• C)1.5 m/s
• D)7.0 m/s
• E)3.2 m/s

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Definitions:

Linked List

A data structure consisting of nodes that together represent a sequence. Each node contains data and a reference to the next node in the sequence.

Instance Variable

An instance variable is a variable defined in a class for which each object of the class has a separate copy, representing the object's state.

Iterator

An object that enables a programmer to traverse through a container, particularly lists.

Queue

A queue is a linear data structure that follows a First In, First Out (FIFO) principle, where elements are added to the back and removed from the front.