4. Suppose that the initial height of the object were measured from the top of the object at the release point to the floor. How would this affect your experimental result for g, that is,
would it be too high or too low? Is this a random or a systematic error? (See Experiment 2
on errors.)

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

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