Kinematics Variables

The Jamaican bobsled team hit the brakes on their sled so that it decelerates at a uniform rate of 0.43 m/s². It takes 85 m to stop. What is the acceleration?

• 85 m

• 0.43 m/s²

• -0.43 m/s²

• 0 m/s

Tags

NGSS.HS-PS2-1

The Jamaican bobsled team hit the brakes on their sled so that it decelerates at a uniform rate of 0.43 m/s². It takes 85 m to stop. What is the displacement?

• 85 m

• 0.43 m/s²

• -0.43 m/s²

• 0 m/s

Tags

NGSS.HS-PS2-1

A bike rider accelerates uniformly at 2.0 m/s² for 10.0 s. If the rider starts from rest, what is the acceleration?

• 2.0 m/s²

• 10 s

• -10 s

• -2.0 m/s

Tags

NGSS.HS-PS2-1

The Jamaican bobsled team hit the brakes on their sled so that it decelerates at a uniform rate of 0.43 m/s². It takes 85 m to stop. What is the final velocity?

• 85 m

• 0.43 m/s²

• -0.43 m/s²

• 0 m/s

Tags

NGSS.HS-PS2-1

A bike rider accelerates uniformly at 2.0 m/s² for 10.0 s. If the rider starts from rest, what is the time?

• 2.0 m/s²

• 10 s

• -10 s

• -2.0 m/s

A bike rider accelerates uniformly at 2.0 m/s² for 10.0 s. If the rider starts from rest, what is the initial velocity?

• 2.0 m/s²

• 10 s

• 0 m/s

• -2.0 m/s

A train backs up from an at −4.0 m/s and accelerates at -0.27 m/s². It does this for 17 s. What is the initial velocity?

• -0.27 m/s²

• 17 s

• -4.0 m/s

• 0.27 m/s²

Tags

NGSS.HS-PS2-1

A train backs up from an at −4.0 m/s and accelerates at -0.27 m/s². It does this for 17 s. What is the acceleration?

• -0.27 m/s²

• 17 s

• -4.0 m/s

• 0.27 m/s²

Tags

NGSS.HS-PS2-1

A train backs up from an at −4.0 m/s and accelerates at -0.27 m/s². It does this for 17 s. What is the time?

• -0.27 m/s²

• 17 s

• -4.0 m/s

• 0.27 m/s²

Tags

NGSS.HS-PS2-1

A car starts from rest and accelerates uniformly to reach a speed of 21 m/s in 7.0s. What is the initial velocity?

• 21 m/s

• 7.0 s

• -21 m/s

• 0 m/s