# Physics

a boat leaves shore and travels 30km east and then 15km 50 degree South of east Find the resultant the boats resultant displacement?

1. 👍 1
2. 👎 0
3. 👁 207
1. (30,0) + (9.64,-11.50) = (39.64,-11.50)
√(39.64^2 + 11.50^2) = 41.27
tanθ = -11.50/39.64

1. 👍 0
2. 👎 1
posted by Steve

## Similar Questions

1. ### Physics

A current of a river flows steadily from west to east at 1.00 m/s. A boat in the river travels at 3.00 m/s relative to the water. The river is 20.0 m wide with parallel banks. The boat leaves the shore at point A, and point B is

asked by . on September 19, 2010
2. ### physics

A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 9.2 m/s due north relative to the water. (a) What is the velocity of the boat as viewed by

asked by Anonymous on December 13, 2012
3. ### physic

Hi!Question: A river flows due east at 1.70m/s.A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 8.0m/s due north relative to the water. A.What is the velocity of the boat

asked by Chan on September 30, 2009
4. ### physical science

A car travels east for 15km at a speed of 30km/h .it then turns around and returns along the same path at 60km/h.what is the cars average velocity

asked by comfort on February 21, 2015
5. ### physics

a boat is traveling with a velocity of 42km\h(40 degree south of east) in a river. The river's current is 5km\h south. what will be the resultant velocity of the boat relative to the shore?

asked by ella on January 6, 2020
1. ### physics

A river flows due east at 1.91m/s.A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 10.3m/s due north relative to the water. A.What is the velocity of the boat relative to

asked by dillon on October 4, 2010
2. ### physics

a river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 10m/s due north relative to the water. (a) what is the velocity of the boat relative to the

asked by suzanne on February 28, 2013
3. ### Physics

Two boats are heading away from shore. Boat 1 heads due north at a speed of 3.7 m/s relative to the shore. Relative to boat 1, boat 2 is moving 35° north of east at a speed of 1.3 m/s. A passenger on boat 2 walks due east across

asked by Randal on September 20, 2010
4. ### calculus

a boat leaves a dock at 2:00 pm and travels due south at a speed of 20 km/h. Another boat has been heading due east at 15 km/h and reaches the same dock at 3:00 pm. at what time were the two boats closest together

asked by LALA on November 14, 2011
5. ### Calculus (math)

A boat leaves a dock at 2:00 P.M. and travels due south at a speed of 15 km/h. Another boat has been heading due east at 20 km/h and reaches the same dock at 3:00 P.M. How many minutes past 2:00 P.M. were the boats closest

asked by Olivia on November 8, 2014

More Similar Questions