76. Round and Round Little Jay is enjoying his first ride on round. (He is riding a stationary horse rather than one that goes up and down.) A schematic view of the merry-go- Av at 4 = 0 %3D merry-go-round as seen from above is shown in Fig. 11-47a with a conve- nient coordinate system. A bit after the merry-go-round has started and is going around uniformly, we start our clock. Little Jay's position and velocity at time t dot and arrow. At t If it is, write “Yes" and give a reason why you think so. If it isn't write "No" and specify the type of force and the object responsible for exerting it. FIGURE 11-47a Problem 76. 0 are shown as a O is the net force acting on Jay equal to zero? %3D For the next six parts, specify which of the graphs shown in Fig. 11-47b could represent the indicated variable for Jay's motion. If none of the graphs work, write “N." Sen A (B) Time - Time Time 0 Time F Time -Time (s) FIGURE 11-47b Problem 76. (a) The x-component of Jay's velocity (b) The angle Jay's position vector makes with the x axis (c) The v-comnono

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76. Round and Round Little Jay is
enjoying his first ride on a merry-go-
round. (He is riding a stationary
horse rather than one that goes up
Av at 4 = 0
%3D
and down.) A schematic view of the
merry-go-round as seen from above
is shown in Fig. 11-47a with a conve-
nient coordinate system. A bit after
the merry-go-round has started and
is going around uniformly, we start
our clock. Little Jay's position and
velocity at time t
dot and arrow. At t = 0 is the net force acting on Jay equal to zero?
If it is, write "Yes" and give a reason why you think so. If it isn't,
write “No" and specify the type of force and the object responsible
for exerting it.
FIGURE 11-47a
Problem 76.
0 are shown as a
%3D
%3D
For the next six parts, specify which of the graphs shown in
Fig. 11-47b could represent the indicated variable for Jay's motion.
If none of the graphs work, write "N."
(A
(B)
0.
-Time
Time
0.
(D)
0.
Time 0
Time
E
F
Time
Time
FIGURE 11-47b Problem 76.
(a) The x-component of Jay's velocity
(b) The angle Jay's position vector makes with the x axis
(c) The y-component of the force keeping Jay moving in a circle
(d) Jay's rotational velocity
(e) Jay's translational speed
(f) The x-component of Jay's position
Transcribed Image Text:76. Round and Round Little Jay is enjoying his first ride on a merry-go- round. (He is riding a stationary horse rather than one that goes up Av at 4 = 0 %3D and down.) A schematic view of the merry-go-round as seen from above is shown in Fig. 11-47a with a conve- nient coordinate system. A bit after the merry-go-round has started and is going around uniformly, we start our clock. Little Jay's position and velocity at time t dot and arrow. At t = 0 is the net force acting on Jay equal to zero? If it is, write "Yes" and give a reason why you think so. If it isn't, write “No" and specify the type of force and the object responsible for exerting it. FIGURE 11-47a Problem 76. 0 are shown as a %3D %3D For the next six parts, specify which of the graphs shown in Fig. 11-47b could represent the indicated variable for Jay's motion. If none of the graphs work, write "N." (A (B) 0. -Time Time 0. (D) 0. Time 0 Time E F Time Time FIGURE 11-47b Problem 76. (a) The x-component of Jay's velocity (b) The angle Jay's position vector makes with the x axis (c) The y-component of the force keeping Jay moving in a circle (d) Jay's rotational velocity (e) Jay's translational speed (f) The x-component of Jay's position
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