Acceleration Practice

A rocket with an initial velocity of 8 m/s hits the ground at 640 m/s in eight seconds. Find the acceleration.

• 79 m/s²
• 80 m/s²
• 0.0125m/s
• 80 mi/hr

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.

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

A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?

• -7.5 m/s
• -7.5 m/s²
• -0.5 m/s²
• 7.5 mi//hr

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

A ship begins a journey at 3.47 m/s.  18000 seconds later in the open ocean it reaches 16.72 m/s. 

• 0.4 m/s²
• -0.002 m/s²
• 0.002 m/s
• 0.004 m/s²

A drag racer accelerated from rest to 195 m/s in 6.5 s.  What was the acceleration?

• 10 m/s
• 30 m/s²
• -3 m/s²
• 26 m/s