Kinetic Energy – STUDIA.app

Hammering a Nail!

Hammering a Nail!

Abel Ortiz2024-02-25T21:46:03-05:00Key Concepts: Conservation of Energy, Heat Transfer, Kinetic Energy, Specific heat|Difficulty: 🟩 Beginner|

How much will the nail temperature increase if Stefano hits it 22 times?

Pole Vault!

Pole Vault!

sebasmurgue2024-02-25T22:33:06-05:00Key Concepts: Conservation of Energy, Gravitational potential energy, Kinetic Energy|Difficulty: 🟩 Beginner|

The Olympic record for the pole vault event is 6.03 m, set by Thiago Braz (75 kg) in 2016. Calculate the minimum speed at which Thiago must have run just before vaulting over the beam and thereby breaking the Olympic record.

Toy Track

Toy Track

Abel Ortiz2024-02-25T20:54:18-05:00Key Concepts: Conservation of Energy, Gravitational potential energy, Kinetic Energy|Difficulty: 🟩 Beginner|

How fast can the toy car go?

Archery!

Archery!

sebasmurgue2024-02-25T22:37:08-05:00Key Concepts: Conservation of Energy, Gravitational potential energy, Kinetic Energy, Spring potential energy|Difficulty: 🟩 Beginner|

If all the elastic energy of the bow is transmitted to the arrow, what is this elastic energy?

Pinball Wizard

Pinball Wizard

sebasmurgue2024-02-25T22:29:01-05:00Key Concepts: Conservation of Energy, Gravitational potential energy, Kinetic Energy, Spring potential energy, two dimensions|Difficulty: 🟧 Intermediate|

Calculate the spring constant and the speed of the pinball just after pulling the plunger.

Raindrops Keep Falling on my Head!

Raindrops Keep Falling on my Head!

Abel Ortiz2024-02-25T20:55:49-05:00Key Concepts: Conservation of Energy, Energy loss, Gravitational potential energy, Kinetic Energy|Difficulty: 🟧 Intermediate|

Calculate the speed of a raindrop just before hitting the ground

Water Fountain!

Water Fountain!

Abel Ortiz2024-02-25T20:53:28-05:00Key Concepts: Conservation of Energy, Gravitational potential energy, Kinetic Energy, Power|Difficulty: 🟧 Intermediate|

Enough power to "lift up 1 meter a 1 Ton anvil, in half a second".

One WTC Tower!

One WTC Tower!

sebasmurgue2024-02-25T22:34:06-05:00Key Concepts: Conservation of Energy, Energy loss, Gravitational potential energy, Kinetic Energy|Difficulty: 🟥 Advanced|

Calculate the percentage of mechanical energy the ball loses each time it bounces.

Three Moving Spheres!

Three Moving Spheres!

Abel Ortiz2024-02-25T21:36:26-05:00Key Concepts: Center of mass, Center-of-mass velocity, Discrete masses, Kinetic Energy, Relative velocity|Difficulty: 🟥 Advanced|

Find the speed and kinetic energy of the system's center of mass.