1D Motion

Changes in our speed, direction  or both are called _________.

• gravity
• changes
• acceleration
• deceleration

Which graph demonstrates the greatest positive speed?

• A
• B
• C
• D

Which graph represents the greatest acceleration?

• A
• B
• C
• D

A box attains a velocity of 27 m/s in 3 seconds from 0m/s.  Find the acceleration.

• 30 m/s
• 24 m/s²
• 9 m/s²
• 81 km/hr

The slope of a velocity vs time graph is...

• displacement
• velocity
• acceleration

Velocity is...

• Change in position/Change in acceleration

• Δx/ΔT

• Velocity/Time

• ΔTime/ΔPosition

Acceleration is...

• Time/Position

• Change in Position/Change in Time

• ΔV/ΔT

• Position x Velocity

It is 2.5 miles from Peter's house to the gas station. It takes him 0.5 hours to get there. What is his velocity?

• .5 mph

• 1 mph

• 2.5 mph

• 5 mph

How long would it take Kipchoge to run 1 mile if his speed was a constant 13.2 miles per hour?

• .16 hours (9 minutes 16 seconds)

• .076 hours (4 minutes 32 seconds)

• .032 hours (5 minutes 12 seconds)

• .067 hours (4 minutes 0 seconds)

Jayla drops an egg off of a tower. The egg accelerates at 9.8 m/s². What is the egg's velocity 3.26 seconds later?

• 3.00 m/s

• 6.54 m/s²

• 31.95 m/s

• 13.06 m