Object sliding across the floor initially moves with a speed of 13.20 meters per second, to the right. After 5.3 seconds, its speed is 3.80 meters per second, to the right. (a) What is the object's acceleration during this time? m/s2, to the right
(b) What is the coefficient of kinetic friction between the object and the floor?

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th

What are some properties of transverse waves?

An electron is ejected into a horizontal uniform e⃗ field at a parallel horizontal velocity of v0. assume the electron's initial position x0, initial velocity v0, time t, magnitude of electric field e, electron's mass m, and the magnitude of the electron's charge |e|. ignore the force that earth exerts on the electron. assume the e⃗ field is in the same direction as the initial velocity. part a define the equation for the electron's velocity. express your answer in terms of the variables v0, |e|, t, e, and m.