Two-D Motion

You move 26 m at an angle of 40.0º W of S.  (a) How far south of your starting point are you?  (b) How far west are you?

• a. 19.9 m S
  b. 16.7 m W
• a. 16.7 m S
  b. 19.9 m W
• a. 26 m S
  b. 0 m W
• a. 0 m S
  b. 26 m W

If you walk 6.00 m, N and 5.00 m E, what is your final location from your start? (magnitude, angle, and direction)

• 7.8 m, 2.1^o N of E
• 11 m, 45^o N of E
• 7.8 m, 39.8^o E of N
• 11 m, 45^o E of N

If vector A is 62.3 m, 35.4^o S of W, and vector B is 23.9 m, 12.2° N of E, what is the resultant vector when you add them together?

• 50.2 m, 21.3^o W of S
• 50.2 m, 21.3^o S of W
• 41.4 m, 48.5^o W of S
• 41.4 m, 48.5^o S of W

Neglecting air resistance, what it the horizontal velocity (V_X)  at A?

• 5 m/s
• 0 m/s
• -10 m/s
• -30 m/s

Tags

NGSS.HS-PS2-1

Neglecting air resistance, what it the horizontal velocity (V_X)  at B?

• 5 m/s
• 0 m/s
• -10 m/s
• -30 m/s

Neglecting air resistance, what it the vertical velocity (V _Y)  at F?

• 5 m/s
• 0 m/s
• -10 m/s
• -30 m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Neglecting air resistance, what it the vertical velocity (V _Y)  at C?

• 5 m/s
• 0 m/s
• -10 m/s
• -30 m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Neglecting air resistance, what is the acceleration at C?

• 5 m/s²
• 0 m/s²
• -10 m/s²
• -30 m/s²

Tags

NGSS.HS-PS2-1

What is the acceleration at A, and in what direction?

• 5 m/s²
• 0 m/s²
• -10 m/s²
• -30 m/s²

Tags

NGSS.HS-PS2-1

What would the actual speed be at F?

• 30.4 m/s
• 30 m/s
• 10 m/s
• 0 m/s