Impulse

What is impulse defined as according to the learning objectives?

• The product of mass and velocity

• The product of force and time over which the force is applied

• The rate of change of momentum

• The force experienced during a collision

Tags

NGSS.HS-PS2-3

What is the solution for x in the equation -10 = 30x + 12(-2)?

• x = 0

• x = 0.5

• x = 1

• x = 2

What is the initial momentum of a 1500-kg car driving at 35 m/s?

• 52500 kg·m/s

• 22500 kg·m/s

• 15000 kg·m/s

• 35000 kg·m/s

Tags

NGSS.HS-PS2-2

What is the final momentum of the quizzes 1500-kg car when it slows down to 15 m/s?

• 22500 kg·m/s

• 52500 kg·m/s

• 15000 kg·m/s

• 35000 kg·m/s

Tags

NGSS.HS-PS2-2

What is the change in momentum of the 1500-kg car when it slows down from 35 m/s to 15 m/s?

• 30000 kg·m/s

• 22500 kg·m/s

• 15000 kg·m/s

• 52500 kg·m/s

Tags

NGSS.HS-PS2-2

What is the value of x in the equation -10 = 30x + 12(-2)?

• 0.47

• -0.47

• 0.33

• -0.33

What are the units for impulse?

• Newton (N)

• Joule (J)

• Kilogram meter per second (kg • m/s)

• Meter per second squared (m/s²)

Which of the following is a real-world application of impulse?

• Cooking and recipe timing

• Car crash safety

• Plant growth analysis

• Art and sculpture

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

What is the purpose of the items listed in the learning material?

• To entertain people

• To keep people or things safe

• To decorate a room

• To provide transportation

Which of the following represents the correct form of the new equation introduced in the learning material?

• J = m · Δv

• J = F · Δt

• J = Δv / Δt

• J = F / Δt

Tags

NGSS.HS-PS2-3