Firefighter Joe noticed a cat stuck high in a tree. He needs to know exactly how high the cat is in order to get the proper ladder for the job. Joe has a mirror and he understands that when light reflects, the angle of incidence equals the angle of reflection. Joe sets the mirror on the ground and backs up until he can see the reflection of the cat in the mirror. When Joe is lined up correctly, his eyes are 5.5 feet above the ground, his is standing 3 feet from the mirror, and the mirror is 12 feet from the tree. How high is the cat off of the ground
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Physics, 22.06.2019 16:30
Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?
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Hat is the most commonly cited cause of occupational injuries in the healthcare sector? a. repositioning of patients b. manual pipetting c. slips and trips d. workplace violence
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Six pendulums of mass mand length las shown are released from rest at the same angle theta from vertical. rank the pendulums according to the numberof complete cycles of motion each pendulum goes through perminute. a. l= 1m m=2kg b. l= 4m m=1 kg c. l= 2 m m= 2 kg d. l= 1 m m= 4 kg e. l= 2 m m = 4 kg f. l= 4m m = 4kg
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In the graph, each sinusoidal curve shows the shape of a vibrating string at a different moment. for which values of x does a node occur? (let k = an integer from -2 to +2.) k + 0.5 0.5k k 2k + 1.5
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Firefighter Joe noticed a cat stuck high in a tree. He needs to know exactly how high the cat is in...
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