1. Frank and Joe's car broke down and they are pushing it to the service station. Frank is able to push the car by himself giving it a velocity of 2.1 m/s forward. Joe can push the car so that it rolls at 1.8 m/s forward. How
fast can Frank and Joe push the car together?

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer

pecialized keyboards