Constant Velocity

If an athlete runs at 9 km/h for 0.5 hours, how far will the athlete travel?

• 18km

• 9 km

• 4.5 km

• 3.3 km

This table gives the position of a car as time progresses. What is the average velocity during the interval 3 s to 5 s? HINT: y2-y1 / x2-x1

• 3.5 m/s

• 3.75 m/s

• 4.2 m/s

• 10 m/s

Which statement describes the toy car’s motion?

• It was stationary for at least 3 seconds.

• Its speed increased for at least 3 seconds.

• It moved at a constant speed for at least 3 seconds.

• It traveled at a constant speed, then stopped for at least 3 seconds.

Tags

NGSS.MS-PS3-1

Given the Position-time graph below, what is the velocity at 6 seconds?

• 5 m/s

• 10 m/s

• 0 m/s

• -5 m/s

This velocity vs. time graph shows an object...

• not moving

• moving with constant velocity

• moving with changing velocity

Tags

NGSS.MS-PS3-1

This motion map shows an object...

• not moving

• moving with constant velocity

• moving with changing velocity

Tags

NGSS.MS-PS3-1

What is the shape of a velocity graph for constant velocity?

• diagonal line

• flat line

• parabola

What is happening from A to B, from B to C and from C to D in the given graph?

• A to B uniform positive velocity, B to C at rest, C to D uniform negative velocity

• A to B positive acceleration, B to C no acceleration and C to D negative acceleration

• A to B high speed, B to C low speed, C to D very low speed

Tags

NGSS.MS-PS3-1

What does this motion map indicate?

• Forward at a constant velocity

• Backward at a constant velocity

• Forward slowing down

• Forward getting faster

• Backwards slowing down

Tags

NGSS.MS-PS3-1

speed of an object in a particular direction

• motion

• velocity

• speed

• acceleration

Tags

NGSS.MS-PS3-1