From t = 0 to t = 4.93 min, a man stands still, and from t = 4.93 min to t = 9.86 min, he walks briskly in a straight line at a constant speed of 2.96 m/s. What are (a) his average velocity vavg and (b) his average acceleration aavg in the timeRead more about Physics custom essay.[…]

  A certain elevator cab has a total run of 215 m and a maximum speed is 309 m/min, and it accelerates from rest and then back to rest at 1.11 m/s2. (a) How far does the cab move while accelerating to full speed from rest? (b) How long does it take to make theRead more about Physics custom essay.[…]

Investigating the resistivity of a wire”

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 Show your work for partial credit.  –  Read questions carefully and completely.  –  Round calculations to two decimal places.  –  Answers should include appropriate units (km, cm/yr, etc.) Evidence for Plate Tectonics The crude fit of present day shorelines of certain continents, matching fossils on landmasses separated by considerable distances, rock type and ages, andRead more about Plate Tectonics Assignment custom essay[…]

Introduction In this experiment you will make your own observations of the Southern Sky, and use them to determine the latitude at which you live. This investigation is designed to give you an understanding of how the stars rotate across the night sky, and also of how the Earth rotates and is oriented in space.Read more about Investigation 6: Astronomically Measuring Latitude custom essay[…]

Lab 3: Newton’s Laws of Motion Experiment 1: Newton’s First Law   Procedure Question:   Record your observations for each type of motion from Step 4 in the space below. Comment on where the water tended to move. If the water spilled, note which side it spilled from.     Questions: Explain how your observationsRead more about Experiment 1: Newton’s First Law: Physics assignment custom essay[…]