Elastic Potential Energy

Calculate the elastic potential energy Leo puts into the trampoline mat when he stretches the mat (k= 473 Nm^-1) by 0.35 m.

• 2.887 J

• 28.97 J

• 82.775 J

• 12.76. J

Tags

NGSS.MS-PS3-2

When you stretch a rubber band, you are storing __________ energy. 

• kinetic 

• potential

• none of the above

• all of the above 

Tags

NGSS.MS-PS3-2

What does the k represent in this equation?

• the potential energy of the spring

• the deformation of the spring

• the material the spring is made of

• the spring constant

Tags

NGSS.MS-PS3-2

Leo (70 Kg) stretches the trampoline mat by 37 cm. Calculate the elastic potential energy he puts into the trampoline mat.

• 4.79 J

• 126.9 J

• 47.9 J

• 12.76. J

Tags

NGSS.MS-PS3-2

Calculate the force that changes the spring length by 0.25m, when the spring's spring constant is 350Nm^-1.

• 1400 N

• 14000 N

• 7.14 x 10^-4 N

• 87.5 N

A mass of 0.65 kg extends a spring by 12 cm. Calculate the spring constant.

• 53.08 Nm^-1

• 0.054 Nm^-1

• 0.53 Nm^-1

• 7.8 Nm^-1

Tags

NGSS.HS-PS2-1

A mass of 2.3 kg stretches the spring by 176 cm. Calculate its spring constant.

• 0.013 Nm^-1

• 12.8 Nm^-1

• 404.8 Nm^-1

• 48.1 Nm^-1

Tags

NGSS.MS-PS2-2

Roy (65 Kg) stretches the trampoline mat by 25 cm. What is the spring constant of the trampoline mat?

• 2.6 Nm^-1

• 25.48 Nm^-1

• 404.8 Nm^-1

• 2548 Nm^-1

Tags

NGSS.MS-PS2-2

A force of 157 N acts on a spring with a spring constant of 350 Nm^-1. Calculate the length the spring changed.

• 540 m

• 45 m

• 54950 m

• 0.45 m

Which of the following best describes elastic potential energy?

• Energy stored in an object due to its position

• Energy stored in an object due to its motion

• Energy stored in an object due to its deformation

• Energy released during a chemical reaction