energy review

3.1 Energy gravitational depends on the ________ and ________ of the object.

• Height and mass and gravity

• Friction and movement and gravity

• Mass and Movement onlly

• Height and Friction only

Tags

NGSS.MS-PS2-4

3.1 What is the equation for Energy Gravitational?

• E_g = m×g×h

• E_k = 1/2mv²

• Work = F×d

• E_el = 1/2KΔx²

3.1 A 65.00 kg person is sitting 6.005 m from the ground on a balcony. How much Energy gravitational is stored in the person?

• 3800 J

• 382.9 J

• 3829 J

• 195 J

Tags

NGSS.MS-PS3-2

3.2 What is the equation for kinetic energy?

• 1/2×mass×velocity²
• mass×gravity×height
• mass×acceleration
• force×distance

3.2 Kinetic energy is measured in...

• Joules
• Watts
• Kg

3.2 An explosion of gas from a Hawaiian volcano blows a rock into the sky. The rock has 2000 J of stored energy kinetic. What was its mass if the rock had a velocity of 20 m/s?

• 200Kg

• 20,000Kg

• 10Kg

• 200Kg

Tags

NGSS.HS-PS3-1

3.3 What type of energy is stored in food and fuel?

• Chemical
• Thermal
• Potential
• Calories

3.3 This is the type of energy stored in a stretched bungee cord?

• energy elastic

• energy stretch

• energy kinetic

• energy gravitational

3.3 What is the name for energy storage and transfer in an object that makes sound, and light (example hand-crank flashlight with siren shown in class)?

• kinetic transferred to internal

• electrical transferred to internal

• gravitational transferred to internal

• elastic transferred to internal

Tags

NGSS.MS-PS4-1

3.3 What is the energy storage in this example?

• Electrical

• Mechanical

• Thermal (heat)

• Sound

Tags

NGSS.HS-PS3-4