Speed, Velocity, and Acceleration

Colin skateboards down the sidewalk in front of the school, traveling at 24 km/h. How much time would it take him to travel 6.0 km?

• 0.25 h

• 0.4 h

• 5.4 h

• 12 h

Andrew and Jennifer are in a 3-legged race at Fall Fair. How far could they run if they ran 0.36 km/min for 5 min?

• 42.9 km

• 1.8 km

• 2.0 km

• 0.2 km

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

A little freshman moves down the hall at 3.2 m/s. When he sees Luke coming, he slows down. After 3.2 s, he is moving at 1.2 m/s. What is his acceleration?

• -0.25 m/s²

• -42.9 m/s²

• -0.625 m/s²

• -12 m/s²

Tags

NGSS.HS-PS2-1

Kendra is coming home late, past her curfew. As she sneaks quietly into her house trying not to wake up her parents, she slinks up the stairs moving 10.7 m in 26.8 s. Find her speed.

• 0.4 m/s

• 2.0 m/s

• 7.1 m/s

• 10.2 m/s

While on a weekend trip to New York City, you spot Angelina Jolie and just HAVE to meet her. You run after her at 2.7 m/s. How far will you have moved in 15.9 s?

• 22 m

• 42.9 m

• 4.95 m

• 2.0 m

Stewart and Matt decide to take the train to Quebec for the weekend. The train starts from rest and reaches a speed of 54 km/h in 10 s. Find its acceleration.

• 7.1 km/h/s

• 1.8 km/h/s

• 48.1 km/h/s

• 5.4 km/h/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