Homework Answers
Add Answer to:
3. (24 points) A river is flowing due west at 9 mi/h. A man heads his...
A straight river flows east at a speed of 8 mi/h. A boater starts at the...
A straight river flows east at a speed of 8 mi/h. A boater starts at the south shore of the river and heads in a direction 60° from the shore (see the figure). The motorboat has a speed of 20 mi/h relative to the water. (Assume that the i vector points east, and the j vector points north.) 60° (a) Express the velocity of the river as a vector in component form. (b) Express the velocity of the motorboat relative...
questions 13 and 14 My Notes +-/2.38 points Ask Your Teache SAlgTrig4 9.T.004. 13. A river...
questions 13 and 14
My Notes +-/2.38 points Ask Your Teache SAlgTrig4 9.T.004. 13. A river is flowing due east at 9 mi/h. A man heads his motorboat in the direction N 30 E in the river, The speed of the motorboat relative to the water is 15 mi/h. (Let east-west be represented by the first component, and north-south be represented by the second component.) (a) Express the true velocity of the motorboat as a vector ml/hr (b) Find the...
A straight river flows east at 10 mph. A motorboat heads from the south shore of...
A straight river flows east at 10 mph. A motorboat heads from the south shore of the river at a heading of N30ºW toward the opposite shore at a speed of 20 mph and maintains that heading. Do the following: • Draw a diagram of the situation. Show your axes. • Express the velocity of the river as a vector in component form ai+bj. • Express the velocity of the motorboat relative to the water as a vector in component...
#2 show work 2. (5 points) Find a vector of length 3 that is perpendicular to...
#2 show work
2. (5 points) Find a vector of length 3 that is perpendicular to the line given by -3x + 7y = 11. Express the result in terms of the unit vectors i and j. 3. (10 points) A truck is parked on a driveway inclined 19° to the horizontal. A force of magni- tude 920 pounds is required to keep the truck from rolling down the driveway. a. Find the vector representing this force and express it...
Problem 3.41: Crossing the River, II. A river flows due south with a speed of 1.50m/s...
Problem 3.41: Crossing the River, II. A river flows due south with a speed of 1.50m/s . A man steers a motorboat across the river; his velocity relative to the water is 4.40m/s . The river is 800m wide. Part A In which direction should the motorboat head in order to reach a point on the opposite bank directly east from the starting point? (The boat's speed relative to the water remains 4.40m/s .) Part B What is the velocity...
A boat crossing a wide river moves with a speed of 17.0 km/h relative to the...
A boat crossing a wide river moves with a speed of 17.0 km/h relative to the water. The water in the river has a steady speed of 6.00 km/h due north relative to the earth. 1) What is the angle made between the velocity of the boat relative to the observer and the west direction? 2) At what angle against the steam must the boat be headed with respect to the west direction in order for it to proceed west...
A boat crossing a wide river moves with a speed of 18.0 km/h relative to the...
A boat crossing a wide river moves with a speed of 18.0 km/h relative to the water. The water in the river has a steady speed of 8.00 km/h due east relative to the earth. a) If the boat heads due south, determine the speed of the boat relative to an observer standing on the shore. km/h 9. b) What is the angle made between the velocity of the boat relative to the observer and the south direction? 10. c)...
a boat heading due north crosses a wide river with speed of 12km/h relative to the water the water in the river has a uniform speed of 5 km/h due east relative to the earth
a boat heading due north crosses a wide river with speed of 12km/h relative to the water the water in the river has a uniform speed of 5 km/h due east relative to the earth.determine the velocity of the boat relative to an observer standing on either bank and the direction of boat
A 200-m-wide river flows due east at a uniform speed of 3.4m/s. A boat with a...
A 200-m-wide river flows due east at a uniform speed of 3.4m/s. A boat with a speed of 8.4m/s relative to the water leaves the south bank pointed in a direction 34o west of north. What is the (a) magnitude and (b) direction of the boat's velocity relative to the ground? Give the direction as the angle of the velocity from due north, positive if to the east and negative if to the west. (c) How long does it take...
A 250-m-wide river flows due east at a uniform speed of 4.0m/s. A boat with a...
A 250-m-wide river flows due east at a uniform speed of 4.0m/s. A boat with a speed of 6.9m/s relative to the water leaves the south bank pointed in a direction 26o west of north. What is the (a) magnitude and (b) direction of the boat's velocity relative to the ground? Give the direction as the angle of the velocity from due north, positive if to the east and negative if to the west. (c) How long does it take...
A straight river flows east at a speed of 8 mi/h. A boater starts at the south shore of the river and heads in a direction 60° from the shore (see the figure). The motorboat has a speed of 20 mi/h relative to the water. (Assume that the i vector points east, and the j vector points north.) 60° (a) Express the velocity of the river as a vector in component form. (b) Express the velocity of the motorboat relative...
questions 13 and 14
My Notes +-/2.38 points Ask Your Teache SAlgTrig4 9.T.004. 13. A river is flowing due east at 9 mi/h. A man heads his motorboat in the direction N 30 E in the river, The speed of the motorboat relative to the water is 15 mi/h. (Let east-west be represented by the first component, and north-south be represented by the second component.) (a) Express the true velocity of the motorboat as a vector ml/hr (b) Find the...
#2 show work
2. (5 points) Find a vector of length 3 that is perpendicular to the line given by -3x + 7y = 11. Express the result in terms of the unit vectors i and j. 3. (10 points) A truck is parked on a driveway inclined 19° to the horizontal. A force of magni- tude 920 pounds is required to keep the truck from rolling down the driveway. a. Find the vector representing this force and express it...
Most questions answered within 3 hours.
-
On January 1, 2019, ABC Company issued $60,000,000 of 20-year,
10.5% bonds when the market rate...
asked 13 minutes ago -
39.4% of US homes continue to use a landline in addition to cell
phone service. 3...
asked 51 minutes ago -
Starting with benzene, synthesize 1-phenyl-1-butyne.
Show intermediates and reagents.
asked 1 hour ago -
Create a 32-run crossed array design with six control factors
and two noise factors such that...
asked 2 hours ago -
A 500g sample of sand from source A has the following amounts
retained on each sieve....
asked 2 hours ago -
In
your own words, please explain the essay by John Keynes wrote "The
End of Laissez...
asked 2 hours ago -
How are the matrix and pixels related? Why are smaller
pixels better for diagnostic quality?
asked 2 hours ago -
2. An AC generator has 80 rectangular loops on
its armature. Each loop is 11 cm...
asked 2 hours ago -
Please help me with this question. Consider Aldi’s current and
potential geographic markets (see Exhibit 4...
asked 2 hours ago -
What are the main components of the fermentation process and
give an explanation of each? Include...
asked 3 hours ago -
Explain which types of cells in the body (belonging to which
organs, etc.) are sensitive to...
asked 3 hours ago -
A single cable supports an 703-kg elevator car. What is the
tension in the cable when...
asked 3 hours ago