The distance bêtween the first dark fringes will be 2.0mm.c)The distance between the first dark fringes will be 1.0mmd)The distance between the first dark fringes will be 0.5mm.e)None of the above is correct.35. Two isolated electrons starting from rest move apart. Which of the followingstatements is true as the distance between the electrons increases?The velocity increases and the acceleration is a constant.The velocity increases and the acceleration decreases.The velocity decrcases and the acceleration decreasesThe velocity increases and the acceleration increases.The velocity is a constant and acceleration is a constant.a)b)36. The Michelson-Morley experiment established that ...There is no observable ether wind at the surface of Earthb)The ether moves at e as Earth travels in its orbitThe ether is an elastic solid that streams over EarthEarth does not move with respect to the Sun

If the electrons are initially at rest and moving with distance between two electrons increases. If…

Answered: 35. Two isolated electrons starting…

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1.A conductor in a train travelling at 4.0 m/s (N) walks across the train at 1.2 m/s (E) to validate a ticket. If the trian car is 4.0m wide, how long does it take the conductor to reach the other side? vog=? vom 1.2 m/s(E) (1.2/4.2) vmg= 4.0 m/s(N) vog 4.2m/s(N17E) Ad At = Δυ At = 3.3s vom=5m/s(W) vmg=11m/s(S = 12m/s = vog vom+vmg -5m/s (W)+ 11m/s(S) = sqrt (5m/s)^2+ (1m/s)^2 sin 90 12m/s 4.0m/s 1.2m/s 2. A jetski speeds across a river at 11 m/s relative to the water. The jet ski's heading is South. The river is flowing West at 5m/s. Determine the jet ski's velocity relative to the shore. vog=? = vog vom+vmg sin 0 5m/s = 1.2m/s(E) + 4.0m/s(N) =sqrt (1.2m/s)^2 + (4.0m/s)^2 =4.2 m/s = 24° Therefore the answer is 12m/s (S24W) Tan-1= = 17
8:24 l ? O 87 01:29:47 Remaining Multiple Choice When velocity and acceleration are positive and negative respectively, then the speed of the particle is decreasing increasing constant O negative 1 of 12
More people end up in U.S. emergency rooms because of fall-related injuries than from any other cause. At what speed v would someone hit the ground who accidentally steps off the top rung of a 4.0 m tall stepladder? a. 8.9 m/s b. 7.1 m/s c. 6.2 m/s d. 8.0 m/s e. 9.8 m/s A spring gun launches a heavy steel marble with an initial speed of 19.6 m/s. How long will the steel marble be in the air? a. 6.0 s b. 2.0 s c. 3.0 s d. 5.0 s e. 4.0 s A car is traveling in a straight line along a straight, level road at 15.0 m/s when it uniformly accelerates at 3.00 m/s2 for a time of 6.00 s. How far does the car travel in this time? a. 90 m b. 54 m c. 126 m d. 162 m e. 144 m
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