Physics

A vector includes ______ and ________.

• direction, magnitude

• magnitude, units

• direction, units

• scalars, scalars

What is the resultant of these two vectors?

• +17 m

• +3 m

• -17 m

• -3 m

If two vectors to be added are at right angles, you will need to....

• Multiply

• Divide

• Pythagorean Theorem

• Use trigonometry

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4
• 55.2
• 20.15
• 19.4

Bob walks 2 miles north and turns west and walks 2 miles. What is Bob's general displacement?

• 4 miles northeast

• 4 miles northeast

• 3 miles northwest

• 3 miles southeast

Cameron (Cam for short) Per hikes to a campsite where he will spend the evening. He hikes 6.0 km, north and 3.0 km, west. The magnitude of Cam's displacement is ___km

• 3.0

• 4.5

• 6.7

• 45

Which object is accelerating: A or B?

• B

• A

From a velocity time graph, how can you calculate the acceleration?

• area under the graph

• slope of the graph

Is the body accelerating?

• yes

• no

When a body is in freefall, its velocity increases by 9.8m/s in every second: True of False

• False

• True