App. Physics 1st Semester p2

What is the straight line length from the starting point to the ending point and the direction traveled?

• Displacement
• Distance
• Frame of Reference
• Vector

What is the unit of displacement?

• Ampere
• Gram
• Liter
• Meter

John walks 5 km east, and then turns around and walks 8 km west. What is John's displacement?

• 3 km; East
• 3 km; West
• 13 km; East
• 13 km; West

What is the equation for speed?

• s = d + t
• s = d x t
• s = d/t
• s = t/d

What do you need to know to determine an object's VELOCITY?

• Only the distance
• Only the time
• The distance and time
• The distance, time, AND direction

Which of the following is a vector?

• Distance
• Speed
• Time
• Velocity

Which of the following is a unit of acceleration?

• km/s
• meters
• m/s²
• seconds

Tags

NGSS.HS-PS2-1

What is the equation for acceleration?

• a = d/t
• a = t/d
• a = (v_f - v_i)/t
• a = t/(v_f - v_i)

Tags

NGSS.HS-PS2-1

Suppose you INCREASE your walking speed from 1 m/s to 7 m/s in a time of 2 seconds. What is your acceleration?

• -3 m/s²
• 3 m/s²
• -4 m/s²
• 4 m/s²

Tags

NGSS.HS-PS2-1

During what interval is the car's velocity zero?

• A
• B
• C
• D