Santa Clause is about to distribute his gifts, but his reindeer Rudolph is still sleepy. So, instead of flying they use the ground and cross a 20-m-long bridge. Starting from rest, Rudolph pulls Santa and his sleigh, with a force F 30° above the horizontal against a frictional force of 80N. 4. What is the change in the kinetic energy of Santa and his sleigh after crossing the bridge? 5. How fast are they moving at the end of the bridge?
Santa Clause is about to distribute his gifts, but his reindeer Rudolph is still sleepy. So, instead of flying they use the ground and cross a 20-m-long bridge. Starting from rest, Rudolph pulls Santa and his sleigh, with a force F 30° above the horizontal against a frictional force of 80N. 4. What is the change in the kinetic energy of Santa and his sleigh after crossing the bridge? 5. How fast are they moving at the end of the bridge?
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Transcribed Image Text:Santa Clause is about to distribute his gifts, but his reindeer Rudolph is still sleepy. So,
instead of flying they use the ground and cross a 20-m-long bridge. Starting from rest,
Rudolph pulls Santa and his sleigh, with a force F 30° above the horizontal against a
frictional force of 80N.
4. What is the change in the kinetic energy of Santa and his sleigh after crossing the
bridge?
5. How fast are they moving at the end of the bridge?
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