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a physics student pushes a 50 kg load across the floor , accelerating it at a rate 1.5m/s how much force did she apply

Unit Test, Part 2: A Time of Turmoil

Complete this teacher-scored portion of the Unit Test, and submit it to your teacher by the due date for full credit.

(20 points)

Score

1. A 2009 survey of presidential rankings placed Richard Nixon 27th of 43 presidents. A 2005 survey had rated him 32nd of 43. How would you rate the Nixon presidency?

Write a brief essay describing Nixon’s achievements as president as well as an explanation of the negative impact his presidency had on the nation and why.

Answer:

2. Review the list of events below. All occurred during the 1960s and 1970s and all helped shape the future of the United States. Choose the three events that had the greatest long-term impact on the United States. Explain why you chose each of the three.

Answer:

A store clerk pushes a row of shopping carts through the parking lot, accelerating them at 1 m/s?. If the carts have a mass of 300 kilograms, how much force did the clerk put on the carts?