A speedboat moves west at 108 km/h for 22.6 min. It then moves at 60.0° south of west at 90.0 km/h for 10.0 min. What is the average speed for the trip? What is the magnitude of average velocity for the trip?
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A speedboat moves west at 108 km/h for 22.6 min. It then moves at 60.0° south of west at 90.0 km/h for 10.0 min. What is the average speed for the trip? What is the magnitude of average velocity for the trip?
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- A train at a constant 60.0 km/h moves east for 40.0 min, then in a direction 50.0° east of due north for 20.0 min, and then west for 50.0 min.What are the (a) magnitude and (b) angle of its average velocity during this trip?A train at a constant 61.0 km/h moves east for 38.0 min, then in a direction 55.0° east of due north for 29.0 min, and then west for 48.0 min. What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip?A speedboat moves west at 108km/h for 20.0 min. It then moves at 60.0 degrees south of west at 90.0 km/h for 10.0 min. What is the average speed for the trip? What is the average velocity for the trip ?
- If the skipper of a boat moves with a speed of 19.6 km/h relative to the water and wants to travel due north, in what direction should he head? What is the speed of the boat, according to an observer on the shore? The river is flowing east at 4.90 km/h. speed km/h directionA plane flies 483 km east from city A to city B in 45.0 min and then 966 km south from city B to city C in 1.50 h. For the total trip, what are the (a) magnitude and (b) direction of the plane’s displacement, the (c) magnitude and (d) direction of its average velocity, and (e) its average speed?The speed of a cyclist along the horizontal road is 16 km/h, 12 km/h upward and 24 km/h downward. Once the cyclist went from the village to the town, and it took 3 hours to get to the town and to go back to the village. How far is the city from the village?
- A cannon ball is fired from the ground at an angle of 30.0 degrees with respect to the horizontal, with an initial speed of 90.0 m/s. What is the cannon ball’s speed 3.00 seconds after it is launched? answer choices 79.5 m/s 45.0 m/s 15.6 m/s 77.9 m/sBrenda is flying a small airplane. Her velocity, with respect to the air around her is 45.0 m/s south. The air is also moving with a velocity of 9.9 m/s east. To an observer on the ground, what is the magnitude of Brenda’s velocity? 35.1 m/s 46.1 m/s 27.5 m/s 54.9 m/sA cameraman on a pickup truck is traveling westward at 20 km/h while he videotapes a cheetah that is moving westward 39 km/h faster than the truck. Suddenly, the cheetah stops, turns, and then run at 46 km/h eastward, as measured by a suddenly nervous crew member who stands alongside the cheetah's path. The change in the animal's velocity takes 1.9 s. What are the (a) magnitude and (b) direction of the animal’s acceleration according to the cameraman and the (c) magnitude and (d) direction according to the nervous crew member?
- A passenger walks from one side of a ferry to the other as it approaches a dock. If the passenger's velocity is 1.5 m/s due north relative to the ferry, and 4.5 m/s at an angle of 30 degrees west of north relative to the water, what are the magnitude and direction of the ferry's velocity relative to the water?Jojo is riding a boat to travel across a river whose current has velocity of 1.20 m/s westward. If the speed of the boat is 1.85 m/s, at what angle should the boat head so that it travels northward directly across the river? 40.4 degrees north of east 32.9 degrees west of north 40.4 degrees east of north 32.9 degrees north of westCan you help me with this problem? A bald eagle flies 5.75 m/s north relative to the air. There is a wind that is blowing east to west at 3.25 m/s. What is the magnitude and direction angle relative to the ground of the bald eagle velocity? Assume the y axis is north/south and the x axis east and west