Physics, 17.06.2020 05:57 bugsbunny27
A 2.0 g ball with a +0.05 C charge is moved from the negative plate to the positive plate, then released. The potential difference between the plates is 12.0V. When the ball strikes the (–) plate its velocity is most nearly equal to:
a. 6 m/s
b. 12 m/s
c. 17 m/s
d. 25 m/s
Answers: 1
Physics, 22.06.2019 10:10
In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?
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Physics, 22.06.2019 11:10
Which situation will produce the greatest change of momentum
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Physics, 22.06.2019 11:20
If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s
Answers: 1
Physics, 23.06.2019 02:30
Abox is sliding on a frictionless surface when it suddenly begins to rain heavily. if the downpour of rainfall falls vertically into the box
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A 2.0 g ball with a +0.05 C charge is moved from the negative plate to the positive plate, then rele...
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