How many coulombs of positive charge are there in 4.00 kg of plutonium given its atomic mass is 244 and that each plutonium atom has 94 protons?
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- A car travels 20.0 km due north and then 35.0 km in a direction 60.0° west of north, as shown in Figure. Find the magnitude and direction of the car’s resultant displacement.An airplane has an airspeed of 590 km/h bearing 49° north of east. The wind velocity is 60 km/h in the direction 32° north of west. Find the resultant velocity representing the path of the airplane with respect to the ground. What is the actual ground speed of the aircraft? km/h (Do not round until the final answer. Then round to the nearest tenth as needed.)A hiking girl needs to go 39.2 km straight North to get to base camp, instead the compass confuses her and she travels 17.248 km at a 3.9° deflection East from straight North. Then she realizes what she has done and so guesses an angle of 17.8° deflection West of straight North and then hikes 30.576 km. What is the magnitude of her displacement from where she is now located to base camp. (put your answer is standard units)
- You walk 48.9 m to the north. You then turn 43.2 degrees to your right, so that you are facing 90-43.2 degrees north of east, and walk another 17.2 m. How far are you from where you originally started?It takes a golfer three strokes to get a golf ball into a hole. On the first hit, the ball moves 6.0 m to the east. On the second hit, it moves 2.9 m at an angle of 20 ° north of east. On the third hit, it moves 0.50 m to the north. If the golfer had struck the ball directly into the hole in one stroke, what would have been the magnitude (in m) and the direction of the ball's displacement? Indicate direction as a positive angle measured counterclockwise from east.In an attempt to escape his island, Gilligan builds a raft and sets to sea. The wind shifts a great deal during the day, and he is blown along the following straight lines: 2.50 km 45.0° north of west; then 4.20 km 60.0° south of east; then 1.50 km 25.0° south of west; then 5.30 km straight east; then 1.90 km 5.00° east of north; then 7.20 km 55.0° south of west; and finally 2.90 km 10.0° north of east. What is his final position relative to the island? (i.e., find the magnitude and direction of the displacement.) km at degrees South of East
- Suppose you walk 18.0 m straight west and then 25.0 m straight north. How far are you from your starting point?What is the compass direction of a line connecting your starting point to your final position?A plane flies east for 620 km, then south east for 440 km, then 53 degrees south of wrangler for 550 km. Find the displacement. ( use 1 cm= 100 km)A hiking girl needs to go 59.3 km straight North to get to base camp, instead the compass confuses her and she travels 33.208 km at a 4.9° deflection East from straight North. Then she realizes what she has done and so guesses an angle of 18.4° deflection West of straight North and then hikes 46.254 km. What is the magnitude of her displacement from where she is now located to base camp. (put your answer is standard units)
- A pilot flies with a plane 20 km northward with an angle of 60 east ➚ , then 30 km to the east ⮕ , then 10 to the north ⬆ , what is its distance from the start and what is its directionThe eye of a hurricane passes over Grand Bahama Island in a direction 60.0° north of west with a speed of 45.0 km/h. Three hours later, the course of the hurricane suddenly shifts due north, and its speed slows to 23.0 km/h. How far from Grand Bahama is the hurricane 4.60 h after it passes over the island?You drive 5.50 km in a straight line in a direction 30.5° east of north. Find the distances you would have to drive straight east and then straight north to arrive at the same point. What distance should you drive straight east? What distance should you drive straight north?