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UHScienceResource.squarespace.com UHScienceResource.squarespace.com Simulated Exam 1 (SF16Ph1E1F)UHScienceResource.squarespace.com UHScienceResource.squarespace.com Disclaimer: UHScienceResource provides resources and services but is not responsible for, and expressly disclaims all liability for, damages of any kind arising out of use, reference to, or reliance on any information provided. While the information contained within the site is periodically updated, no guarantee is given that the information provided is correct, complete, and up-to-date. Moreover, UHScienceResource is not responsible for the accuracy or content of information contained in external sites provided by links. Notice to User: Great effort has been used to make this document accurate and comprehensive but may still contain typos or other errors. If any errors are found, please email them to: [email protected] UHScienceResource.squarespace.com 1. A person is riding an elevator that is traveling downward, but slowing down at a rate of 2.25 m/s2. If this person has a mass of 60.0 kg, what is the reading on the scale that he is standing on while riding the elevator? a. 234 N b. 576 N c. 981 N d. 654 N e. 723 N 2. Which equation below is dimensionally consistent with units of acceleration? a. π‘₯2𝑑 b. 𝑣2π‘₯ c. π‘₯𝑑2 d. 𝑣𝑑 e. 12𝑣𝑑2 3. Carl gets lost while hiking in the forest. Using a compass app on his phone, he decides to travel 15o north of east for 210 m. There he reaches the peak of a cliff where he is able to see everything below. He then travels 45 o south of east for another 85 m. However, his phone dies upon reaching this point, so he decides to follow his instincts the rest of the way. If Carl finds himself back where he started after traveling for another hour, what is the magnitude of his displacement during that hour? a. 263 m b. 525 m c. 314 m d. 196 m e. 227 m 4. Susan parallel-parks her car along an icy and hilly street that is inclined at angle of 30o. However, she forgets to turn on the parking-brake, and her car begins to slide down the icy street. What is the acceleration of her car? a. 6.4 m/s2 b. 5.3 m/s2 c. 9.8 m/s2 d. 7.1 m/s2 e. 4.9 m/s2UHScienceResource.squarespace.com UHScienceResource.squarespace.com 5. What is the direction of 𝐡󰇍 βˆ’ 𝐴 (measured from the positive x-axis), if 𝐴 = 8π‘₯ + 4π‘¦οœ and 𝐡󰇍 = 2π‘₯ + 6π‘¦οœ? a. 45o b. -20o c. 162o d. 20o e. 135o 6. A ball traveling at 2.2 m/s rolls off a table that is 1.8 m high. Just before it hits the ground, what angle below the horizontal does the velocity make? a. 34o b. 42o c. 17o d. 70o e. 85o 7. A boat is trying to cross a river that is 500 km wide to reach a dock that is directly north. However, the winds are really strong and there is a current flowing west at 15 m/s. If the boat travels at 100 m/s, what direction does it need to travel to arrive at the dock? a. 8.63o East of North b. 8.63o West of North c. 42.4o East of North d. 53.6o West of North e. 42.4o West of North 8. A car reaches 8 m/s in 5 seconds. After traveling for another 6 seconds, it reaches a velocity of 16 m/s. If it is moving with constant acceleration in one direction, what is the distance traveled from the time it’s traveling 8 m/s to when it’s traveling 16 m/s? a. 56 m b. 32 m c. 18 m d. 64 m e. 72 mUHScienceResource.squarespace.com UHScienceResource.squarespace.com 9. Kristen needs to replace her cracked window. What is its area, if it is 30.25 inches wide and 21 inches long? (1 inch = 2.54 cm) a. .819 m2 b. .249 m2 c. .096 m2 d. .409 m2 e. .713 m2 10. The motion diagram below shows the position of an object moving along the x-axis at equal time intervals. Which of the graphs below best corresponds with the motion diagram? a. b. c. d. e. 11. After chasing its prey, a leopard leaps off the ground at 8 m/s at 35o above the horizontal to take down its prey. How much β€œair-time” did the leopard get? a. .48 s b. .13 s c. .94 s d. .37 s e.

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UTEP PHYS 1403 - Simulated Exam 1

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