Vectors

Which statement describes a vector?

• It has magnitude but no direction
• It has direction but no magnitude
• It has both direction and magnitude
• It has constant magnitude but no
   direction

Tags

CCSS.HSN.VM.A.1

Is this a scalar quantity or a vector quantity?
Wind blowing at 20 knots

• Scalar
• Vector

Tags

CCSS.HSN.VM.A.1

Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west

• Scalar
• Vector

Tags

CCSS.HSN.VM.A.1

How do you combine vectors if they are at a right angle to each other, and you know two sides?

• Multiply
• Divide
• Pythagorean Theorem
• Use trigonometry

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

How do you combine vectors if they are in opposite directions?

• Add

• Subtract (or add a negative)

• Pythagorean Theorem

• Use trigonometry

Tags

CCSS.HSN-VM.B.4C

How do you combine vectors if they are in the same direction?

• Add
• Subtract
• Pythagorean Theorem
• Use Trigonometry

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

How do you determine the horizontal component of a 30 m/s vector at 110 degrees?

• 30 sin 110
•  30 cos 110
• 110 sin 30
• 110 cos 30

Tags

CCSS.HSN.VM.A.2

A vector, 25 m/s at 113 degrees, will have a ___ horizontal velocity.

• positive
• negative
• zero

Tags

CCSS.HSN.VM.A.2

Vector is a quantity with:

• magnitude and direction

• magnitude

• direction

• none of the above

Tags

CCSS.HSN.VM.A.1

Vectors a, b, c are defined as:

a = 2i + 5j; b = i - 3j; c = -3i - j. Answer all correct answers

• a + b = 3i + 8j

• a - b = i + 8j

• a + c = -i + 4j

• c - b = -5i + 6j

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B