Q6. Describe the transformations between potential and kinetic energy when you drop a 15000 gram television from a height of 0.8 meters.

Q7. A car with a mass of 860 kg sits at the top of a 32 meter high hill. Describe the transformations between potential and kinetic energy that occur when the car rolls to the bottom of the hill and continues rolling.

Q9. Describe the transformations between potential and kinetic energy that occur when a 1000 kg rock falls from the top of a 18 meter cliff.

Q10. How much kinetic energy does a 2000 gram ball have the instant before it hits the ground after falling from a height of 6 meters?

We know that energy can be converted from potential to kinetics or from kinetics to potential, for this case it is converted from potential to Kinetics.

[tex]E_{p}=E_{k}\\m*g*h=E_{k}\\E_{k}=15*9.81*0.8\\ E_{k}= 117.72[J]\\[/tex]

Q7)

We know that energy can be converted from potential to kinetics or from kinetics to potential, for this case it is converted from potential to Kinetics.

[tex]E_{p}=E_{k}\\m*g*h=E_{k}\\E_{k}=860*9.81*32\\E_{k}=269971.2[J][/tex]

Q9)

We know that energy can be converted from potential to kinetics or from kinetics to potential, for this case it is converted from potential to Kinetics.

[tex]E_{p}=E_{k}\\m*g*h = E_{k}\\E_{k}= m*g*h\\E_{k}= 1000*9.81*18\\E_{k}= 176580[J][/tex]

Q10)

We know that energy can be converted from potential to kinetics or from kinetics to potential, for this case it is converted from potential to Kinetics.

[tex]E_{p}=E_{k}\\m*g*h=E_{k}\\E_{k}= 0.2*9.81*6\\E_{k}=11.77[J][/tex]