Physics, 07.04.2020 15:50 leahandmaryssa
Structures on a bird feather act like a diffraction grating having 7000 7000 lines per centimeter. What is the angle of the first-order maximum for 602 nm 602 nm light shone through a feather?
Answers: 3
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State one advantage and one disadvantage of using a plane mirrior as a driving mirrior
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Physics, 22.06.2019 11:50
The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?
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On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2.
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Physics, 23.06.2019 02:30
If a car has a speed of 20 m/s, how long will it take to go 155 m? a. 3100 s b. 135 s c. 2.1 s d. 7.8 s
Answers: 1
Structures on a bird feather act like a diffraction grating having 7000 7000 lines per centimeter. W...
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