HELP ASAP DUE IN 5MIN 1. When a skydiver jumps out of a plane, the force that converts PE to KE is ?

2. In a fair experiment, the things that can change, causing a change in the outcome are called?

3. For a test to produce strong evidence for a claim, how many variables must be tested at a time?​

An apple is falling from a tree. disregarding air resistance, which diagram shows the free-body diagram of the force or forces acting on the apple?

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.