It is said that some chemists were able to predict the existence of some
elements that were not yet
discovered. How did they do this?

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?

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest