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A speed skater moving across frictionless ice at 8.80 {rm m/s} hits a 4.30-m-wide patch of rough ice. She slows steadily, then continues on at 5.20 {rm m/s}. What is her acceleration on the rough ice?
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Question: What is the potential difference across the 10 Ω resistor in the figure ? What is the potential difference across the 20 Ω resistor in the figure?
ADDITIONAL PROBLEM 1 Unpolarized light passes through two polarizers whose transmission axes are at an angle # with respect to each other. What should be the angle # between the transmission axes of the polarizers if it ...
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Question: A research submarine has a 40-cm-diameter window that is 8.1 cm thick. The manufacturer says the window can withstand forces up to 1.2 x 10 6 N. What is the submarine's maximum safe depth in salt water? The pre ...
A cheetah can run very quickly over short distances. Assume a cheetah has a constant velocity of 33.0 m/s and is approaching a gazelle that is initially at rest. When the cheetah is 90 m away, the gazelle begins to run w ...
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