Physics, 06.10.2019 01:30 lilrel8602
Acar sits in an entrance ramp to a freeway, waiting for a break in the traffic. the driver sees a small gap between a van and an 18-wheel truck and accelerates with constant acceleration along the ramp and onto the freeway. the car starts from rest, moves in a straight line, and has a speed of 18 m/s when it reaches the end of the ramp, which has length 120 m.1. what is the acceleration of the car?
2. how much time does it take the car to travel the length of the ramp?
3. the traffic on the freeway is moving at a constant speed of 23.0 . what distance does the traffic travel while the car is moving the length of the ramp?
Answers: 1
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Physics, 22.06.2019 11:30
With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
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Physics, 22.06.2019 12:30
Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.
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Physics, 22.06.2019 14:30
Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules
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Acar sits in an entrance ramp to a freeway, waiting for a break in the traffic. the driver sees a sm...
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