(a) Is the velocity ever zero? (b) When is the velocity a minimum? A maximum? (c) Can the velocity ever be the same as the initial velocity at a time other than at t=0? (d) Can the speed ever be the same as the initial speed at a time other than at t=0? (e) Is the acceleration ever zero? (f) Is the vector v ever parallel or antiparallel to the vector a? (g) Is the vector v ever perpendicular to the vector a? If so, where is this located?
(a) Is the velocity ever zero? (b) When is the velocity a minimum? A maximum? (c) Can the velocity ever be the same as the initial velocity at a time other than at t=0? (d) Can the speed ever be the same as the initial speed at a time other than at t=0? (e) Is the acceleration ever zero? (f) Is the vector v ever parallel or antiparallel to the vector a? (g) Is the vector v ever perpendicular to the vector a? If so, where is this located?
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Transcribed Image Text:Answer the following questions for projectile motion on level ground assuming
negligible air resistance, with the initial angle being neither 0° nor 90°:
(a) Is the velocity ever zero?
(b) When is the velocity a minimum? A maximum?
(c) Can the velocity ever be the same as the initial velocity at a time other than at t=0?
(d) Can the speed ever be the same as the initial speed at a time other than at t = 0?
(e) Is the acceleration ever zero?
(f) Is the vector v ever parallel or antiparallel to the vector a?
(g) Is the vector v ever perpendicular to the vector a? If so, where is this located?
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