Physics, 17.03.2021 23:50 johnkhan6748
13.If a jet plane with a velocity of 20 m/s at t = 0 accelerates at a rate of 40 m/s² for 3 seconds, what is its veloaty at time = 3 seconds?
Answers: 2
Physics, 22.06.2019 20:40, mathman783
Abasketball star covers 2.65 m horizontally in a jump to dunk the ball. his motion through space can be modeled precisely as that of a particle at his center of mass. his center of mass is at elevation 1.02 m when he leaves the floor. it reaches a maximum height of 1.90 m above the floor and is at elevation 0.910 m when he touches down again. (a) determine his time of flight (his "hang time"). (b) determine his horizontal velocity at the instant of takeoff. (c) determine his vertical velocity at the instant of takeoff. (d) determine his takeoff angle. (e) for comparison, determine the hang time of a whitetail deer making a jump with center-of-mass elevations yi = 1.20 m, ymax = 2.45 m, and yf = 0.750 m.
Answers: 1
13.If a jet plane with a velocity of 20 m/s at t = 0 accelerates at a rate of 40 m/s²
for 3 seconds...
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