Physics, 31.10.2021 01:00 shaylakabler333
At a football tryout, a player runs a 40âyard dash in 4.25 seconds. If he reaches his maximum speed at the 16âyard mark with a constant acceleration and then maintains that speed for the remainder of the run, determine his acceleration over the first 16 yards, his maximum speed, and the time duration of the acceleration.
Answers: 3
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The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
At a football tryout, a player runs a 40âyard dash in 4.25 seconds. If he reaches his maximum speed...