Question 5 The following figure shows a top view of a small 19.2 g bug standing at one end of a thin uniform bar that is initially at rest on a smooth horizontal table. The other end of the bar pivots about a nail driven into the table and can rotate freely, without friction. The bar has mass 60.5 g and is 152 cm in length. The bug jumps off in the horizontal direction, perpendicular to the bar, with a speed of 33.8 cm/s relative to the table. axis 73 1 bug
Question 5 The following figure shows a top view of a small 19.2 g bug standing at one end of a thin uniform bar that is initially at rest on a smooth horizontal table. The other end of the bar pivots about a nail driven into the table and can rotate freely, without friction. The bar has mass 60.5 g and is 152 cm in length. The bug jumps off in the horizontal direction, perpendicular to the bar, with a speed of 33.8 cm/s relative to the table. axis 73 1 bug
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Transcribed Image Text:Question 5
The following figure shows a top view of a small 19.2 g bug standing at one end of a thin
uniform bar that is initially at rest on a smooth horizontal table. The other end of the bar
pivots about a nail driven into the table and can rotate freely, without friction. The bar has
mass 60.5 g and is 152 cm in length. The bug jumps off in the horizontal direction,
perpendicular to the bar, with a speed of 33.8 cm/s relative to the table.
axis
a) Calculate the moment of inertia of the bar about the axis (in kg.m²).
Answer:
Check
1
bug
19
Transcribed Image Text:b) Calculate the angular speed of the bar just after the bug jumps off (in rad/s).
Answer:
Check
Incorrect
Marks for this submission: 0.00/1.00.
X
c) Calculate the total work that was done by the bug in jumping off the bar (in mJ).
Answer:
Check
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