Motion 2: Problem Set 2. DIRECTIONS. Answer the questions and solve the problems on a separate sheet of paper. Be sure to show all work on the problems which means show the equation used, the filled in equation and give the final answer with the appropriate unit(s).
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Answer the questions and solve the problems on a separate sheet of paper. Be sure to show all work on the problems which means show the equation used, the filled in equation and give the final answer with the appropriate unit(s).
Conversion Factors: Constants:
1 kilogram = 2.2 pounds gearth = 9.8 m/sec21000 grams = 1 kilogram1 pound = 16 ounces1 centimeter = 0.39379 inches100 centimeters = 1 meter1000 meters = 1 kilometer1 mile = 5280 feet1 kilometer = 0.62 milesa = vf - vi F = m∙a p = m∙v w = m∙ g
a = v s = d v = d t t t
4. How long will it take the circus frog traveling southwest to Krispy Kreme Doughnuts to travel 1.3 miles when maintaining a constant velocity of 0.92 miles per hour?
7. A car travels at a velocity of 7.9 m/sec northward. The car accelerates with a steady acceleration of 2.3 m/sec2 westward. What is the car’s velocity after20 seconds?
8. Find the acceleration of a remote controlled motorcycle that goes backwards with a velocity of 5.4 m/sec and ends with a velocity of 2.2 m/sec in 13 seconds.
10. A roller coaster heads up a hill at 11 m/sec. After five seconds, the roller coaster arrives at the bottom of the hill. The speed of the roller coaster is 33 m/sec. What is the acceleration of the roller coaster?