Velocity and Acceleration

A horse accelerates from a velocity of 0m/s to 20 m/s in 3 seconds. What is the acceleration of the horse?

• 60 m/s²

• 6.67 m/s²

• 0.15 m/s²

• 30 m/s²

Tags

NGSS.HS-PS2-1

A train decelerates from a velocity of 90 m/s to 80m/s in over 10 seconds. What is the train's acceleration?

• -1 m/s²

• 1 m/s²

• 10 m/s²

• -10 m/s²

Tags

CCSS.HSA.CED.A.1

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

Tags

CCSS.6.RP.A.3B

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

Tags

NGSS.HS-PS2-1

Sharis decides to be brave and go skydiving. If she accelerates at 9.81 m/s² (m/s² = m/s/s) for 4.9 s, what would her speed be at that time?

• 48.1 m/s

• 0.6 m/s

• 0.0015 m/s

• 7.1 m/s

Tags

NGSS.HS-PS2-1

Jeff stays after class to work on his science homework is late for hockey practice. He decides to run so the coach won't be mad. If the locker room is 300 m from the classroom and Jeff can run a surprising 25 m/s, how long would it take him to get there?

• 7.5 s

• 12 s

• 42.9 s

• 0.25 s

Rob is really bored one Saturday night and goes outside to study the nocturnal habits of mice in the hayfield. He sees a mouse sniffing along at 0.1 m/s but it hears him and starts to scurry for safety. For 3.7 s it accelerates at a rate of 0.216 m/s². Find its final speed.

• 10.2 m/s

• 0.2 m/s

• 7.1 m/s

• 0.9 m/s

Tags

NGSS.HS-PS2-1

Ricky chucks a water balloon at his friend. Running for his life, he travels 100 m in 9.83 s. What was his average speed?

• 12.5 m/s

• 9.1 m/s

• 10.2 m/s

• 8.3 m/s

Looking for some good old-fashioned fun, Andrew decides to slide down the hill on a toboggan. Calculate the time it takes him to reach the bottom of the hill if he accelerates at a rate of 4 m/s² to achieve a speed of 32 m/s.

• 8 s

• 2 s

• 7s

• 4 s

Tags

NGSS.HS-PS2-1

A car moving at 4.5 m/s accelerates at 2.5 m/s². After 7 s, how fast will it be moving?

• 22 m/s

• 18.3 m/s

• 4.9 m/s

• 7.6 m/s

Tags

NGSS.HS-PS2-1