An automobile travelling on a straight, level road has an initial speed v when the brakes are applied. in coming to rest with a constant acceleration, it travels a distance x. how far would the automobile travel in coming to rest if it had the same acceleration but an initial speed 2v ? a. 1/4x. b. 1/2x. c. x. d. 2x. e. 4x.

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.