Did changing the angle of the incline affect the following parameters (A)final velocity of the ball
(B) Work
(C)Initial potential energy
(D) Final kinetic energy
For each parameter, explain why it was or not changed, using your data.

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n