A flat cushion of mass m is o Cu released from rest at the corner of Wind force the roof of a building, at height h. A wind blowing along the side of the building cxcrts a constant horizontal force of magnitude F on the cushion as it drops as shown in Figure P5.48. The air exerts no vertical force. (a) Show

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48. A flat cushion of mass
QC released from rest at the corner of
m is
Cushion
the roof of a building, at height h.
A wind blowing along the side of
Wind
force
the building cxcrts a constant
horizontal force of magnitude F
on the cushion as it drops as
shown in Figure P5.48. The air
h
exerts no vertical force. (a) Show
that the path of the cushion is a
straight line. (b) Does the cushion
with
Explain. (c) If m =
8.00 m, and F= 2.40 N, how far from the building will the
cushion hit the level ground? What If? (d) If the cushion is
thrown downward with a nonzero speed at the top of the build-
ing, what will be the shape of its trajectory? Explain.
velocity?
1.20 kg, h =
fall
constant
Figure P5.48
Transcribed Image Text:48. A flat cushion of mass QC released from rest at the corner of m is Cushion the roof of a building, at height h. A wind blowing along the side of Wind force the building cxcrts a constant horizontal force of magnitude F on the cushion as it drops as shown in Figure P5.48. The air h exerts no vertical force. (a) Show that the path of the cushion is a straight line. (b) Does the cushion with Explain. (c) If m = 8.00 m, and F= 2.40 N, how far from the building will the cushion hit the level ground? What If? (d) If the cushion is thrown downward with a nonzero speed at the top of the build- ing, what will be the shape of its trajectory? Explain. velocity? 1.20 kg, h = fall constant Figure P5.48
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