A crew of workers is renovating an office building. One day, they tear out pieces of wall and throw them into a trash bin two stories below. Brian tosses down a piece that has a mass of 12 kg. Alexis throws down a piece with a mass of 30 kg. Hank throws down a piece with a mass of 24 kg. All of the pieces fall at the same velocity of 6 m/s. Who tossed the piece with a kinetic energy of 432 J?

Brian

Hank

Alexis

both Brian and Hank

Question

A crew of workers is renovating an office building. One day, they tear out pieces of wall and throw them into a trash bin two stories below. Brian tosses down a piece that has a mass of 12 kg. Alexis throws down a piece with a mass of 30 kg. Hank throws down a piece with a mass of 24 kg. All of the pieces fall at the same velocity of 6 m/s. Who tossed the piece with a kinetic energy of 432 J?



Brian



Hank





Alexis



both Brian and Hank

anonymous · Answer

i know its really hard ! but just a guess would be alright !please

anonymous · Answer

Hank
kinetic energy formula:
Ek= 1/2 m*v^2