A2.0-g particle moving at 8.4 m/s makes a perfectly elastic head-on collision with a resting 1.0-g object. (a) find the speed of each particle after the collision. 2.0 g particle 2.8 correct: your answer is correct. m/s 1.0 g particle 11.2 correct: your answer is correct. m/s (b) find the speed of each particle after the collision if the stationary particle has a mass of 10 g. 2.0 g particle 5.6 correct: your answer is correct. m/s 10.0 g particle 2.8 correct: your answer is correct. m/s (c) find the final kinetic energy of the incident 2.0-g particle in the situations described in parts (a) and (b). ke in part (a) incorrect: your answer is incorrect. use the final velocity you calculated for the 2.0-g particle in part (a) to find its final kinetic energy. j ke in part (b) 0.062 incorrect: your answer is incorrect. use the final velocity you calculated for the 2.0-g particle in part (b) to find its final kinetic energy. j in which case does the incident particle lose more kinetic energy? case (a) case (b) correct: your answer is correct.

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

How do the measurements of charge at the different locations on the sphere compare to each other? the charge measurements are different at all locations on the sphere. the charge measurements are virtually not the same at all locations on the sphere except for the charge at the very top and at the very bottom that are equal. the charge measurements are virtually the same at all locations on the sphere except for the charge at the very top. at the top, the conductive sphere has a small disk that is made of different material. the charge measurements are the same at all locations on the sphere. what happens to the charge on the conductive sphere when it is connected to a source of charge such as the electrostatic voltage source? nothing will happen because no charge goes around the surface of the sphere. the charge on the conductive sphere spreads out over the surface of the sphere; being greater in some specific locations on the sphere. the charge on the conductive sphere spreads out uniformly over the surface of the sphere. the charge on the conductive sphere spreads out non-uniformly over the surface of the sphere.