Question 6 An apple with a mass of 0.5 kg falls to the ground. Use this information for questions 4-6.
If the apple fell for 4.2 m, what is the amount of work that gravity did onto the apple?
O 9.8)
O 1.17)
02.10
0 20.58)

If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?