The force exerted by the motor M on the cable is shown in the graph. (Figure 1) Part A: Determine the velocity of the 155-lb crate A when t=2.5s. Express your answer in feet per second to three significant figures

The force exerted by the motor M on the cable is shown in the graph. (Figure 1) Part A: Determine the velocity of the 155-lb crate A when t=2.5s. Express your answer in feet per second to three significant figures

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 14RQ: Four pounds of a gas occupy 10 ft3. What would be itsdensity and specific gravity?

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

The force exerted by the motor M on the cable is shown in the graph. (Figure 1)

Part A: Determine the velocity of the 155-lb crate A when t=2.5s.

Express your answer in feet per second to three significant figures.

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