Encontrar Ɵ entre los siguientes vectores:
A = -3i + 4j – 5k y B = 5i + 7j – 8k

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

Aforce of 9.00 newtons acts at an angle of 19.0 to the horizontal. what is its component in the horizontal direction?