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5. [-/3 Points] DETAILS MY NOTES SERCP11 5.6.OP.036. ASK YOUR TEACHER PRACTICE ANOTHER The figure below shows an object with a mass of $m = 7.70 \text{ kg}$ that starts from rest at point A and slides on a track with negligible friction. Point A is at a height of $h_a = 7.60 \text{ m}$. 3.20 m 2.00 m ? (a) What is the object's speed at point B (in m/s)? m/s What is the object's speed at point C (in m/s)? m/s (b) What is the net work (in J) done by the gravitational force on the object as it moves from point A to point C? J

          5. [-/3 Points]
DETAILS
MY NOTES
SERCP11 5.6.OP.036.
ASK YOUR TEACHER
PRACTICE ANOTHER
The figure below shows an object with a mass of $m = 7.70 \text{ kg}$ that starts from rest at point A and slides on a track with negligible friction. Point A is at a height of $h_a = 7.60 \text{ m}$.
3.20 m
2.00 m
?
(a) What is the object's speed at point B (in m/s)?
m/s
What is the object's speed at point C (in m/s)?
m/s
(b) What is the net work (in J) done by the gravitational force on the object as it moves from point A to point C?
J

5. [-/3 Points]
DETAILS
MY NOTES
SERCP11 5.6.OP.036.
ASK YOUR TEACHER
PRACTICE ANOTHER
The figure below shows an object with a mass of m = 7.70 kg that starts from rest at point A and slides on a track with negligible friction. Point A is at a height of ha = 7.60 m.
3.20 m
2.00 m
?
(a) What is the object's speed at point B (in m/s)?
m/s
What is the object's speed at point C (in m/s)?
m/s
(b) What is the net work (in J) done by the gravitational force on the object as it moves from point A to point C?
J

Added by Xavier G.

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