A person walks due east on the front of a ship at 3 miles per hour. If the ship moves north at a speed of 12 miles per hour, find the direction and speed of the person relative to the water surface Speed=__________mph The angle of the direction from north= ______radians
The angle of the direction from north= .24498 radians
A horizontal clothesline is tied from 2 poles, 16 meters apart. If a 4 kilogram mass is placed in the middle of the line, and it sags 1 meter What is the magnitude of the tension at the ends of the clothesline? T=_______N
Nine ring wraiths fly from point a to point b. point b is directly north of point a. Wind is coming from the west at 55 mph. To travel in a straight line the ring wraiths decide to head NW. What speed should they fly?
A child walks due east on the deck of a ship at 1 miles per hour.
The ship is moving north at a speed of 6 miles per hour.
Find the speed and direction of the child relative to the surface of the water.
Speed = ____ mph
The angle of the direction from the north = _______ (radians)
Speed = 6.083 mph
The angle from the north = 0.165 (radians)
In the figure below the y-axis points north,
the x-axis points east, and the xy-plane
corresponds to the surface of the water.
Suppose a boat is at point B, a submarine is 8 units
below point S, and a helicopter is 11 units above point H.
Find the displacement vector and the distance from the submarine to the boat.
Find the displacement vector and distance from the helicopter to the boat.
Find the displacement vector and distance from the submarine to the helicopter.