A 100%-Efficient Engine Is Being Used to Raise a 89-Kg

question 135

Short Answer

A 100%-efficient engine is being used to raise a 89-kg crate vertically upward at a steady
rate. If the power output of the engine is 1620 W, how long does it take the engine to lift
the crate a vertical distance of 18.7 m? Friction in the system is negligible.

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Definitions:

Intimacy

A close, familiar, and usually affectionate or loving personal relationship with another person or group.

Power

is the ability or capacity to influence or control the behavior of others or the course of events.

Inclusion

The practice or policy of providing equal access to opportunities and resources for people who might otherwise be excluded or marginalized, such as those having physical or mental disabilities, or being members of minority groups.

Control

The power to influence or direct people's behavior or the course of events.