The force graphed in figure is applied to a 1.8- box initially at rest at = 0 on

Question

The force graphed in figure is applied to a 1.8- box initially at rest at = 0 on a frictionless, horizontal surface.(Figure 1) Part A Find the box's speed at = 5 . Express your answer to two significant figures and include the appropriate units. = SubmitHintsMy AnswersGive UpReview Part Try Again; 4 attempts remainingPart B Find the box's speed at = 10 . Express your answer to two significant figures and include the appropriate units. = SubmitHintsMy AnswersGive UpReview Part Part C Find the box's speed at = 15 . Express your answer to two significant figures and include the appropriate units. = SubmitHintsMy AnswersGive UpReview Part Provide FeedbackContinue Figure 1 of 1

Explanation / Answer

Given m = 1.8 kg At s= 5cm ,F ˜ 18 N F = ma 18 = 1.8 kg ( v^2/2s) v = 1 m/s ----------------------------- At s= 10cm ,F ˜ 35 N F = ma 35 = 1.8 kg ( v^2/2s) v ˜ 2 m/s ------------------------------------ At s= 15cm ,F ˜ 35 N F = ma 35 = 1.8 kg ( v^2/2s) v = 2.4 m/s

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