Calculating Acceleration

 $a=\frac{\Delta\upsilon}{t}$  

An object at rest begins to move to a final speed of 30 m/s in 5 seconds. Calculate the object's acceleration.

• 6 m/s²

• -6 m/s²

• 150 m/s²

• 0.17 m/s²

Tags

NGSS.HS-PS2-1

 $a=\frac{\Delta\nu}{t}$  

An object traveling at speed of 20 m/s increases to a speed of 80 m/s in 3 seconds. What is the object's acceleration?

• 20 m/s²

• -20 m/s²

• 33.3 m/s²

• 4 m/s

Tags

NGSS.HS-PS2-1

 $a=\frac{\Delta v}{t}$  

An objects traveling at 10 m/s comes to a complete stop in 2 seconds. What is the objects acceleration?

• -5 m/s²

• 5 m/s²

• 0.2 m/s²

• 200 m/s²

Tags

NGSS.HS-PS2-1

 $a=\frac{\Delta v}{t}$  

An object traveling at 80 m/s slows to a speed of 30 m/s in 5 seconds. What is the object's acceleration?

• -10 m/s²

• 10 m/s²

• 6 m/s²

• -10 m/s

Tags

NGSS.HS-PS2-1

 $a=\frac{\Delta v}{t}$  

Sami coasted on her bike straight down a hill, accelerating from a speed of 3 m/s to 15 m/s in a total time of 6 seconds. What was her acceleration?

• 1 m/s²

• -1 m/s²

• 2 m/s²

• 1m/s

Tags

NGSS.HS-PS2-1

 $a=\frac{\Delta v}{t}$  

A car traveling at 25 m/s slows down at a constant rate for 5 seconds until it stops. What is its acceleration?

• -3 m/s²

• 5 m/s²

• 48 m/s²

• -5 m/s²

Tags

NGSS.HS-PS2-1

 $a=\frac{\Delta v}{t}$  

A runner covers the last straight stretch of a race in 3 seconds. During that time, he speeds up from 3 m/s to 9 m/s. What is the runner's acceleration in this part of the race?

• 1 m/s²

• -1 m/s²

• 2 m/s

• 2 m/s²

Tags

NGSS.HS-PS2-1

 $a=\frac{\Delta v}{t}$  

A car traveling at 10 m/s starts to decelerate steadily. It comes to a complete stop in 20 seconds. What is its acceleration?

• -0.5 m/s²

• 0.5 m/s²

• 2 m/s²

• -2 m/s²

Tags

NGSS.HS-PS2-1

 $a=\frac{\Delta v}{t}$  

A car traveling at a speed of 25 m/s increases its speed to 30.0 m/s in 10 seconds. What is the magnitude of its acceleration?

• 0.5 m/s²

• -0.5 m/s²

• -5.5 m/s²

• 2 m/s²

Tags

NGSS.HS-PS2-1

 $t=\frac{\Delta v}{a}$  

A train travels at a constant acceleration of 10 m/s², starting from standstill at a station and traveling along a straight track. How long does it take the train to reach 150 m/s?

• 15 s

• 15 m/s

• -15 s

• 1500 s

Tags

NGSS.HS-PS2-1