3.1 Mastery Check

What are the 3 types of potential energy?

• Chemical

• Mechanical

• Gravitational

• Elastic

• Kinetic

Tags

SPS7.a

What is the energy of a 4 kg apple that is sitting on a 2 m high tree branch?

• 16 J

• 78.4 J

• 4 J

• 8 J

Tags

SPS7.a

What formula do you use to solve the following problem: What is the energy of a 4 kg apple that is sitting on a 2 m high tree branch?

• GPE = ham

• KE = 1/2mv²

• p = mv

• F = ma

Tags

SPS7.a

What set up do you use to solve the following problem: What is the energy of a baby who weighs 20 N sitting in a high chair 1.5 m high?

• You can't set it up because it doesn't give you the mass & acceleration.

Tags

SPS7.a

What is the energy of a baby who weighs 20 N sitting in a high chair 1.5 m high?

• There's no way to answer this with info given.

• 300 J

• 294 J

• 30 J

Tags

SPS7.a

What is the kinetic energy of a bike with a mass of 16 kg traveling at 4 m/s?

• 64 J

• 32 J

• 128 J

• 627.2 J

Tags

SPS7.a

What is the inventory of the following problem: What is the kinetic energy of a bike with a mass of 16 kg traveling at 4 m/s?

• 16 kg

  4 m/s

• KE = ?

  m = 16 kg

  v = 4 m/s

• m = 16 kg

  h = 4 m/s

  a = ?

• KE = ?

  v = 16 kg

  m = 4 m/s

Tags

SPS7.a

How high is a 0.5 kg squirrel sitting if it has 36 J of energy?

• 7.3 m

• 72 m

• 144 m

• 176.4 m

Tags

SPS7.a

What is the set up for the following problem: How high is a 0.5 kg squirrel sitting if it has 36 J of energy?

Tags

SPS7.a

What unit is energy measured in? (What letter(s) will you find after numbers measuring energy?)

• kg m/s

• Joules (J)

• Newtons (N)

• Watts (W)

Tags

SPS7.a