# Physics

A cute puppy walks 20 m at 30 degrees north of east and then continues another 45 m at 15 degrees south of east. Find the magnitude of the puppy's net displacement (or the distance from the starting point)

1. 👍
2. 👎
3. 👁
1. break each up into N, E components, then add.

20sin30N + 20cos30E -45sin15N+45cos15E=R

now combine the N, E vectors
xxxxN + yyyyE= R
magnitude of R=sqrt(xxxx^2 + yyyy^2)

1. 👍
2. 👎
👤
bobpursley

## Similar Questions

1. ### Physics

A sailboat tacking against the wind moves as follows: 2.6 km at 45° east of north, 4.5 km at 59° west of north, 2 km at 45° east of north. What is the net displacement for the entire motion? Magnitude in km? Direction degrees

2. ### physics

A jet airliner moving initially at 300 mi/h due east enters a region where the wind is blowing at 100 mi/h in a direction 26.0° north of east. What is the new velocity of the aircraft relative to the ground? in m/h at degrees

3. ### physics

Sam travels east on his kayak for a distance 1.00km.Then,he heads 60 degrees South of East for 0.75km and finally veers at 20 degrees north of east for 0.5km.At the end of his trip,where is Sam reletion to his starting piont?

4. ### Physics

2. A person is walking in downtown Chicago. He starts 7 blocks north and 3 blocks west of the city’s center. He then walks to a position of 12 blocks north and 1 block east of the city’s center. What was his displacement

1. ### physics

A man walks 400 m in the direction 45 degrees north of east. Represent this vector graphically by selecting a scale and drawing a coordinate system. I do not know how to answer this question.

2. ### Physics

A woman using a compass and a map walks 132 degrees east of north for 6 km. Find the components of the woman's displacement. A. Ax = 4.46 km, Ay = 4.01 km B. Ax = 0.74 km, Ay = -0.67 C. Ax = 4.46 km, Ay = -4.01 km D. Ax = 0.74 km,

3. ### physics

A person walks 25m west and then 45m at an angle of 60 degrees north of east. What is the magnitude of the total displacement?

4. ### Physics

A dog searching for a bone walks 3.50 m south, then 8.20 m north of east, and finally 15.0 m west. (a) What is the magnitude of the dog's total displacement? (b) What is the direction of the dog's total displacement where directly

1. ### Physics

a hiker walks 14.7 km at an angle 35 degrees south of east. Find the east and north components of this walk.

2. ### Physics

A MAN WALKS 8KM NORTH AND 5KM IN A DIRECTION EAST OF NORTH .FIND THE DISTANCE FROM HIS STARTING POINT

3. ### Mathematics

A nomacl walks 11km due North from A to B.He then walks 6.5km due east from B to C. Calculate 1.the bearing of C from A 2./AC/

4. ### physics

a man walks 10 meters in a direction of 20 degrees North of East, then 20 meters in a direction due west. What is his total displacement vector in component form