Physics, 27.11.2019 03:31 vanessasantos2004vs
Abox exerts 10,000 pa of pressure on the ground. if the box weighs 1000 n, how much area is in contact with the ground?
10,000,000 m2
0.1 m2
11,000 m2
10 m2
Answers: 1
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The material that keeps its new shape after it is stretched is called?
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Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?
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Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=
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Suppose that a mass of 2 kg is attached a spring whose spring constant is 50. the system is damped such that b = 12 . the mass is set in motion with an initial velocity of -8 m/s at a position 0 meters from equilibrium. set up and solve a differential equation that models this motion. write your solution in the form a cos ( ω t − α ) where α is a positive number. use your solution to fill in the information below: what is the amplitude of the motion? what is the value of ω ? what is the phase shift?
Answers: 1
Abox exerts 10,000 pa of pressure on the ground. if the box weighs 1000 n, how much area is in conta...
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