Given ()=52+1 and ()=2−3. Olivia was asked to find (()). She showed the following work:

Line 1: (())=(2−3)

Line 2: =522−3+1

Line 3: =522−2

This answer is incorrect. Answer the following questions:

On which line did Olivia make a mistake? Justify your answer.
Now show the correct way to solve this problem, showing all work like Olivia did above.

How are calculation for velocity and speed different

Explain what happens at the saturation point when adding salt to water at room temperature.

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.