A 8.9 kg mass hanging from a spring scale is slowly lowered onto a vertical spring, as shown in the figure( Figure 1). You may want to review (Pages 219-221). Figure Scale www 1 of 1 ▼ What does the spring scale read just before the mass touches the lower spring? Express your answer to two significant figures and include the appropriate units. F= Submit Part B HÅ Value k= Request Answer Submit P Pearson The scale reads 22 N when the lower spring has been compressed by 2.4 cm. What is the value of the spring constant for the lower spring? μA Value Express your answer to two significant figures and include the appropriate units. I PE Units Request Answer ? Units Review I Constants ?

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!