A car travels east at 50.0 km/hr for 2.00 hours. It then travels west 40.0 km in 1.00 hour. The average velocity of the car for the entire trip is O 20.0 km/hr O 27.1 km/hr O 38.3 km/hr O 46.7 km/hr. 30.0 km/hr.
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- An object travels 146 m due east when it turns around and returns to its starting position. The entire trip takes 69.0 seconds. a) What is the magnitude of the displacement of the object? 73.0 m 146 m 292 m 0 m b) What is the magnitude of the average velocity of the object? 2.12 m/s 0 m/s 1.06 m/s 4.23 m/sThe polar bear is an excellent swimmer, and it spends a large part of its time in the water. Suppose a polar bear wants to swim from an ice floe to a particular point on the shore. The bear dives into the water and begins swimming. As the bear swims, it tires and slows at a rate of 0.0122 m/s/s. By the time it reaches the shore, which is 40.1 m from where it dove into the water, its velocity is 2.13 m/s. How fast was the bear swimming when it first got into the water? ____________m/sThe polar bear is an excellent swimmer, and it spends a large part of its time in the water.Suppose a polar bear wants to swim from an ice floe to a particular point on the shore. The bear dives into the water and begins swimming. As the bear swims, it tires and slows at a rate of 0.0122 m/s/s. By the time it reaches the shore, which is 40.1 m from where it dove into the water, its velocity is 2.13 m/s.How fast was the bear swimming when it first got into the water?