as shown in the figure below, luis walks 40 m towards his truck. he notices he forgot his keys so he returns back to his house. his total travel is 95 seconds. what is luis’s average velocity over the 95 second period?

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

Sound is a disturbance that travels through a medium as a