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?

Answer 1

Do you know the definition of kinetic and potential energy?

Answer 2

no

Answer 3

49 joules
98 joules
1.0 × 102 joules
1.1 × 102 joules

these are my choices for the answers

Answer 4

Kinetic energy is the energy due to the motion of the object

Answer 5

The definition of kinetic energy is mgh. You lose 1/2 of that to kinetic energy. So your kinetic energy is mgh/2. Plug in values of m g and h to find your answer.

Answer 6

m= mass of object
g= acceleration due to gravity
h= height released from

Answer 7

idk how to do that i was just kinda hoping for the answer

Answer 8

Don't expect always the answer.

Answer 9

i wasnt except for this question otherwise i would of asked a teacher how to do it

Answer 10

Just plug the values of m and h and u know already g and use the equation mgh to find the kinetic energy.

Answer 11

i did n still didnt find the answer

Answer 12

What's M? What's G? What's H?

Answer 13

Multiply those and divide by 2.

Answer 14

idk what all of those are

Answer 15

Someone help me that actually knows physics

Answer 16

Weight of bell (0.50) * Acceleration due to gravity (9.8) * Height released from (20) / by 2 and you have your answer.