Kinetic Energy Question

• object is moving

• object is at a height

• object has friction

• something is stretched/compresesd

Tags

NGSS.HS-PS2-1

What do you look for to tell if an object has Eg​ ?

• something is stretched/compressed

• object is moving

• object is at a height

• there is friction

Tags

NGSS.MS-PS3-2

• something is stretched

• something is at a height

• object is moving

• object has friction on it

Tags

NGSS.MS-PS3-2

What do you look for if an object has thermal energy?

• something is stretched

• something is moving

• something is at a height

• something has friction on it while moving

Tags

NGSS.MS-PS1-4

What do you look for if an object has Work done to it?

• did energy leave or enter the system

• did the object bounce

• did energy stay the same

• idk

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

A 10kg object moving at 2m/s or a 5kg object moving at 4m/s.

Which has more Ek?

• 10kg object

• 5kg object

• the same

Tags

NGSS.HS-PS3-2

A 10kg object is moving at 2m/s. A 5kg object is moving at 4m/s. Both objects move along a floor with friction. After both come to a stop, which will have more thermal energy created?

• 10kg

• 5kg

Tags

NGSS.HS-PS3-4

A 20kg object is at a height of 50m. A 10kg object is at a height of 75m. At these heights, which has more Eg

• 20kg

• 10kg

A 20kg object is at a height of 50m. A 10kg object is at a height of 75m. These objects fall and when they hit the ground, which has more Ek?

• 20kg

• 10kg

A 20kg object is at a height of 50m. It is dropped and is at a height of 0m. When at this height, what is the object's velocity?

• 50 m/s

• 75m/s

• 31.3 m/s

• 980 m/s

Tags

NGSS.HS-PS2-1