Speed & Velocity Practice Problems



1.?Which of the following statements is true:??a.?Speed and velocity have the same magnitude, but velocity also has a direction.?b.?The speed of an object?is always greater than or equal to the magnitude of the object's velocity.?c.?The?magnitude of the velocity?of an object?is always greater than or equal to the?speed of the object.?d.?None?of the above2.?Which of the following is a pair of scalar quantities??a.?Speed — Distance?b.?Velocity — Distance?c.?Velocity — Displacement?d.?Speed — Displacement3.??A rocket flies?3920?m into the air in?29.6?s before reaching its maximum height. What is?the average velocity (in m/s) of the rocket during its ascent? Round your answer to?2 decimal places.?4.?An evil scientist shoots a?laser beam which?moves through a?giant?glacier at a?speed of 2.67E+8?m/s. What is the time it takes for the?laser (in seconds) to?move through the entire?469?meter long glacier? Record your answer in Scientific Notation and?Round to 2 Decimal Places.???5.?The International Space Station travels approximately?7281 km/s. How far (in km)?does the ISS travel in?3.4?minutes? Round your answer to?2 decimal places.6.??A Clear Falls?physics student is sent to ISS for refusing to do the "Vector" in class. If the student walks at a pace of?1.9?m/s?for 158?seconds to get to ISS, what distance (in meters) did she travel? Round your answer to?2 decimal places.??7.?A soldier on patrol marches?153 meters north for?52 seconds. Turns west and marches?91 meters for?45 seconds, and finally turns south and marches?76 meters for?33 seconds. What is the average speed (in m/s) of the soldier?? Round your answer to 2 decimal places.8.?A soldier on patrol marches?175 meters north for?85 seconds. Turns west and marches?86 meters for?38 seconds, and finally turns south and marches?60 meters for?28 seconds. What is the average?velocity (in m/s) of the soldier?? Round your answer to 2 decimal places.9.??Yogi Bear,?walks out of his cave and walks due south?to his favorite tree at speed of?5?km/hr for 1.6 km. He stops?to scratch his back for?2.8?minutes buying at the tree before spotting a family and their picnic basket. He then sprints to the west for 1.6?km at a speed of 27?km/hr to snatch and run off with the picnic basket. What is Yogi's average speed (in km/hr)?for the adventure??Round your answer to?1 decimal places.?10.??Yogi Bear,?walks out of his cave and walks due south?to his favorite tree at speed of?6.8?km/hr for 1.6 km. He stops?to scratch his back for?2.2?minutes buying at the tree before spotting a family and their picnic basket. He then sprints to the west for 1.4?km at a speed of 25.3?km/hr to snatch and run off with the picnic basket. What is Yogi's average speed (in km/hr)?for the adventure??Round your answer to?1 decimal places.?Answer Key1.?b2.?a3.?132.43?4.?1.76E–65.?1485324?6.?300.2?7.?2.46?8.?0.95?9.?7.510.?6.5 ................
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