adding vectors at any angle

The initial path of a rocket is 30° above the horizontal, and the horizontal component of the rocket's velocity is 326 m/s. The initial vertical component (V_y) of the rocket's velocity is most nearly

• 190 m/s

• 330 m/s

• 380 m/s

• 280 m/s

A motorboat, which has a speed of 5 meters per second in still water, is headed east as it crosses a river flowing south at 3.3 meters per second. What is the magnitude of the boat’s resultant velocity with respect to the starting point?

• 3.3 m/s
• 5.0 m/s
• 6.0 m/s
• 8.3 m/s

Tags

CCSS.HSN.VM.A.3

The sum of two or more vectors (450 N in this picture)

• Zero vector

• Parallel vectors

• Equivalent vectors

• Resultant

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

George Washington throws a baseball with an initial velocity of 20.2 feet per second at an angle of 69° with the horizontal. Find the initial vertical and horizontal components of the velocity of the ball.

• Horizontal 18.9

  Vertical 7.2

• Horizontal 7.2

  Vertical 18.9

• Horizontal 15.2

  Vertical 9.6

• Horizontal 9.6

  Vertical 15.2

Find the direction and magnitude of the resultant vector for the drawing of two forces. (Hint: You need to use the tip to tail method).

• Direction 90°

  Magnitude 139.0N

• Direction 52.3°

  Magnitude 195N

• Direction 52.3°

  Magnitude 139.0N

• Direction 37.7°

  Magnitude 139.0N

Tags

NGSS.HS-PS2-1

What's the y-component of the following vector (8 N , 200°)

• -7.51 N

• 2.73 N

• -2.73 N

• -6.98 N

What's the x-component of the following vector (13 m/s , 55°)

• 10.64 m/s

• 0.28 m/s

• 7.45 m/s

• 20 m/s

3 forces act on a point, 3 N at 0 degrees, 4 N at 90 degrees and 5 N at 217 degrees. Find the magnitude and direction of the net force acting on the point. (Hint: Use the 4-step process learned in class).

• 1.4 N, 45 degrees North of West

• 1.4 N, 45 degrees North of East

• 4.1 N, 60 degrees North of East

• What?

Tags

NGSS.HS-PS2-1

2 Forces act concurrently on a point. The first force is 5N at 60 degrees. The 2nd Force is 2N at 340 degrees. Find the magnitude and direction of the Net Force acting on the point.

• 5.7 N, 20 degrees

• 5.7 N, 40 degrees

• 7.1 N, 40 degrees

• 7.1 N , 20 degrees

Tags

NGSS.HS-PS2-1

3 forces act on point A. Force #1 is 100 N at 37 degrees. Force #2 is 100 N at 150 degrees. Force #3 is 80 N at 233 degrees. Find the Magnitude and Direction of the Net Force Acting on Point A.

• 57 N, 130 degrees

• 72 N, 40 degrees

• 72 N, 140 degrees

• 57 N, 50 degrees

Tags

NGSS.HS-PS2-1