SAT, 09.02.2022 14:00, samueldfhung
An oil layer that is 5. 0 cm thick is spread smoothly and evenly over the surface of water on a windless day. What is the angle of refraction in the water for a ray of light that has an angle of incidence of 45° as it enters the oil from the air above? (the index of refraction for oil is 1. 15, and for water it is 1. 33. ).
Answers: 1
SAT, 24.06.2019 17:30, bianca7183
‘all monkeys have tails’ is an absolute statement. t or f
Answers: 2
SAT, 25.06.2019 22:00, yasarhan2
Snakes, dogs, and humans have a vertebral column. snakes and dogs have tails, and humans have vestigial tailbones. dogs and humans have limbs, but snakes do not. most reptiles lay eggs, but a few give birth to live young. what do these structures suggest about the evolutionary pattern between the three organisms? 1. snakes and dogs are more closely related than snakes and humans. 2. snakes and humans are more closely related than humans and dogs. 3. dogs and humans are more closely related than snakes and humans. 4. dogs, snakes, and humans share a common ancestor. 5. the early ancestor of snakes and dogs is the same, and the early ancestor of humans is different.
Answers: 1
SAT, 27.06.2019 06:00, silveryflight
The equation 24x2+25x−47ax−2=−8x−3−53ax−2 is true for all values of x≠2a, where a is a constant. what is the value of a? a) -16b) -3c) 3d) 16
Answers: 1
An oil layer that is 5. 0 cm thick is spread smoothly and evenly over the surface of water on a wind...
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