What happens to kinetic energy if the mass of an object is doubled?

• It halves

• It quadruples

• It doubles

• It remains the same

Tags

NGSS.MS-PS3-1

What is the formula for kinetic energy?

• KE = mgh

• KE = 1/2 mv^2

• KE = 1/2 mgh

• KE = mv

What unit is used for kinetic energy when mass is in kilograms and speed is in meters per second?

• Newton

• Watt

• Joule

• Pascal

Tags

NGSS.MS-PS3-1

If an object's speed is doubled, how does its kinetic energy change?

• It remains unchanged

• It doubles

• It halves

• It quadruples

Tags

NGSS.MS-PS3-1

What type of energy is described as energy due to position?

• Chemical energy

• Potential energy

• Thermal energy

• Kinetic energy

Tags

NGSS.MS-PS3-2

What is the formula for gravitational potential energy?

• PE = 1/2 kx^2

• PE = mgh

• PE = mv^2

• PE = mg

Tags

NGSS.MS-PS3-2

How is kinetic energy calculated just before an object hits the ground?

• KE = mg

• KE = mv

• KE = 1/2 mv^2

• KE = mgh

Tags

NGSS.MS-PS3-4

What does the spring constant (k) in the formula for elastic potential energy represent?

• Mass of the spring

• Velocity of the spring

• Stiffness of the spring

• Length of the spring

Which form of potential energy is stored in chemical bonds?

• Chemical potential energy

• Elastic potential energy

• Thermal energy

• Kinetic energy

What is the energy stored due to an object's position in an electric field called?

• Gravitational potential energy

• Kinetic energy

• Electric potential energy

• Magnetic potential energy