Unit 7 Day 12 Practice: Finding R and Theta from Rx and Ry

A nuclear submarine approaches the surface of the ocean at 25.0 km/h and at an angle 17.3 degrees with the surface as shown in the picture. What is the horizontal (Rx) component of its velocity to the nearest tenth?

(a)  

A nuclear submarine approaches the surface of the ocean at 25.0 km/h and at an angle of 17.3 degrees with the surface as shown in the picture. What is the vertical (Ry) component of its velocity to the nearest tenth?

(a)  

Vectors A and B are at right angles. Find the magnitude of the resultant rounded to the nearest whole number.

A=592

B=195

(a)  

Vectors A and B are at right angles. Find the direction (angle from Vector A) of the resultant rounded to the nearest tenth.

A=592

B=195

(a)  

Vectors A and B are at right angles. Find the magnitude of the resultant rounded to the nearest whole number.

A=1734

B=3297

(a)  

Vectors A and B are at right angles. Find the direction (angle from Vector A) of the resultant rounded to the nearest hundredth.

A=1734

B=3297

(a)  

Given  $R_x=89.6$  and  $R_y=-52.0$  What is the value of R to the nearest tenth?

(a)  

Given  $R_x=89.6$ and   $R_y=-52.0$  What is the value of  $\theta$   to the nearest tenth?

(a)  

Given Rx=-729 and Ry=-209, what is the value of θ to the nearest whole number?

(a)  

Given Rx=-729 and Ry=-209, what is the value of R to the nearest whole number?

(a)