How much energy is required to lift a 9 kg (20 lb) bag of rice from the floor to the trunk of your car located 0.9 meters above the ground? what kind of energy does the rice have when it is sitting in your trunk? to receive full credit, show all of your work in the space below.

answer: the answer is 30 miles per hour.

ft/s -> mphmph = ft/s 1.466667mph = 44 divided by 1.466667mph = 30.00000

- r3ktforgood ☕

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!