Final - Review 2023

___________ is a measurement of how fast an object moves relative to a reference point.

• Acceleration

• Speed

• Distance

• Velocity

Tags

NGSS.MS-PS3-1

Is speed a scalar or vector quantity?

• scalar

• vector

The SI unit for speed is?

• m

• m/s

• d/t

• m/s²

Tags

NGSS.MS-PS3-1

What is the formula for speed?

• s = d/t

• s = v x t

• s = t/d

• v = d/t

Tags

NGSS.MS-PS3-1

Velocity is a vector measurement because it has both a magnitude and a ________.

• distance

• direction

• location

• time

How long does it take a train to travel 100 km if it is traveling at 5 km/m?

• 20 min

• 10 min

• 25 min

• 15 min

A curved line on a distance vs. time graph indicates ____________?

• speed

• velocity

• acceleration

• force

In SI units, velocity has units of m/s and time has units of s, so the SI unit of acceleration is ____.

• s

• m

• m/s

• m/s²

A roller coaster cart quickly picks up speed as it goes down a slope. As it travels, its speed is 5 m/s. But 2 seconds later, at the bottom of the slope, its speed is 24 m/s. What is its acceleration?

• 9 m/s²

• 9.5 m/s²

• 9 m/s

• 10.5 m/s

Tags

NGSS.MS-PS2-2

The turtle surfed 300 meters off shore. He caught a wave and surfed 150 meters in 13.6 seconds. How fast was the wave taking the turtle?

• 11.03 m/s

• 11.30m/s

• 11.03 m/s²

• 4080 s

Tags

NGSS.MS-PS3-1