A 0.50 kilogram ball is held at a height of 20 meters. What is the kinetic energy of the ball when it reaches halfway after being released?

A. 49 joules
B. 98 joules
C. 1.0 × 10^2 joules
D. 1.1 × 10^2 joules

Question

A 0.50 kilogram ball is held at a height of 20 meters. What is the kinetic energy of the ball when it reaches halfway after being released?

A. 49 joules 
B. 98 joules 
C. 1.0 × 10^2 joules 
D. 1.1 × 10^2 joules

souvik · Answer

change in potential energy = kinetic energy

anonymous · Answer

@souvik where are you from

souvik · Answer

India...you?
in which class do you read?

anonymous · Answer

wow im from italy, verona i read in english

anonymous · Answer

sono stati in Italia= have you been in italy

souvik · Answer

no no...i did not get a chance yet...:)

anonymous · Answer

well you should go and i can show you around :)

souvik · Answer

sure...when i'll be Italy i'll contact you surely...:)
want to visit India?

souvik · Answer

what is the time there?