Physics, 15.01.2021 19:30 aprilkenedy12
A filter is placed over a light bulb. The bulb emits white light, but the filter allows only light with the shortest wavelengths to pass through it. Which color would a person see when looking at the filtered light?
A. green
B. orange
C. violet
D. yellow
Answers: 3
Physics, 21.06.2019 19:30
Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?
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An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?
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In a system, when potential energy decreases, then entropy also decreases. true false
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Abasketball star covers 2.65 m horizontally in a jump to dunk the ball. his motion through space can be modeled precisely as that of a particle at his center of mass. his center of mass is at elevation 1.02 m when he leaves the floor. it reaches a maximum height of 1.90 m above the floor and is at elevation 0.910 m when he touches down again. (a) determine his time of flight (his "hang time"). (b) determine his horizontal velocity at the instant of takeoff. (c) determine his vertical velocity at the instant of takeoff. (d) determine his takeoff angle. (e) for comparison, determine the hang time of a whitetail deer making a jump with center-of-mass elevations yi = 1.20 m, ymax = 2.45 m, and yf = 0.750 m.
Answers: 1
A filter is placed over a light bulb. The bulb emits white light, but the filter allows only light w...
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