Physics, 27.02.2020 00:19 jasminelara740
In a lecture demonstration, the instructor aims a blowgun directly at Barney, a stuffed purple dinosaur, who is suspended from the ceiling at a vertical height H above the muzzle of the blowgun, a horizontal distance D away. At the instant she launches a dart with speed v0, Barney is released from rest.
a. Derive an expression, in terms of system parameters, for the dart’s vertical position when the dart has covered the horizontal distance D. b. Derive an expression, in terms of system parameters, for Barney’s vertical position at the instant the dart has the covered the horizontal distance D. Hint: The angle θ between initial velocity and the horizontal is not given, but you can find sin θ, cos θ and tan θ from the given distances.
Answers: 1
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The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f
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Physics, 22.06.2019 07:50, bckyanne3
2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it
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Physics, 22.06.2019 09:00, reyesortiz6955
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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Physics, 22.06.2019 15:10, Bgreene2377
Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
Answers: 1
In a lecture demonstration, the instructor aims a blowgun directly at Barney, a stuffed purple dinos...
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