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A baseball is thrown by the center fielder (from shoulder level) to home plate where it is caught (on the fly at an equal shoulder level) by the catcher. At what point is the ball’s speed at a minimum? (air resistance is negligible) a.speed is constant during entire trajectory b.just before arriving at the catcher’s mitt c.at the top of the trajectory d.just after leaving the center fielder’s hand

Question

A baseball is thrown by the center fielder (from shoulder level) to home plate where it is caught (on the fly at an equal shoulder level) by the catcher. At what point is the ball’s speed at a minimum? (air resistance is negligible)

a.
speed is constant during entire trajectory

b.
just before arriving at the catcher’s mitt

c.
at the top of the trajectory

d.
just after leaving the center fielder’s hand

check_circleAnswer
Step 1
A baseball ls thown wit
velcity
angle wih the horigontal
Acceleration due to gravity act fn
vertically dlownward dlirection
Tnitial velotity Component in
hoontl and vertical irectn ar.
U at an
A0, and Uy -Usin 8
help_outline

Image Transcriptionclose

A baseball ls thown wit velcity angle wih the horigontal Acceleration due to gravity act fn vertically dlownward dlirection Tnitial velotity Component in hoontl and vertical irectn ar. U at an A0, and Uy -Usin 8

fullscreen
Step 2
Stnce acceleratim(9)
verhcal direction, do vertical
Velocity would change wih tinme
Cand the horironta veloc?hy emains
Constont
only in
TRAtantaneous velocity of buse ball
USin-gt (vertal)
V ULo
(uorizon tal)
help_outline

Image Transcriptionclose

Stnce acceleratim(9) verhcal direction, do vertical Velocity would change wih tinme Cand the horironta veloc?hy emains Constont only in TRAtantaneous velocity of buse ball USin-gt (vertal) V ULo (uorizon tal)

fullscreen

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