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AnswersGiven, the radius of the wheel is 1m. so,its circumference is 2π m

AnswersGiven, the radius of the wheel is 1m. so,its circumference is 2π mwhen it rotates half, the initial point of contact is vertically above the final point of contact.thus,the three points form a right triangle.

AnswersGiven, the radius of the wheel is 1m. so,its circumference is 2π mwhen it rotates half, the initial point of contact is vertically above the final point of contact.thus,the three points form a right triangle.by pythagoras theorem, we solve it to get the magnitude of displacement,which is the hypotenuse.

AnswersGiven, the radius of the wheel is 1m. so,its circumference is 2π mwhen it rotates half, the initial point of contact is vertically above the final point of contact.thus,the three points form a right triangle.by pythagoras theorem, we solve it to get the magnitude of displacement,which is the hypotenuse.thus, d=√4+π²

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