An electron with initial K.E 5.7 eV encounters a barrier with the height 10.8 eV. What is the transmission coefficient if Uo= 7.0 eV
Q: Show work
A:
Q: A long straigt aive twisted into loop of radios is 0.1 m. a Current flows clock wise find the of the…
A: radius (r) = 0.1 m Current (I) = 20 A , clockwise
Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/swhen it hits the ground,…
A: Given: mass m = 6kg final velocity v = 5 m/s To find: height, s=??
Q: Hiw Find the are a bounded by the curve y=X y=0 X=0'and X= |
A: Answer..
Q: Ignoring air resistance, from how high above thr ground would a 0.3 kg ball need to be dropped to…
A:
Q: Deaves Ns home port and heade in the drectionN 70 treveis d- 20 mi and reaches tg taland. The net…
A:
Q: we lknow that Im is approxinmately 39.37ine we asoknow the following exact conversion equivalents: I…
A:
Q: A Stomp hoc of a 3- meter
A:
Q: in terms ot Snell's law equal tan (0-$) tan (et$ ) what is it () in terms of (e and )?
A:
Q: when electrical appliances whose power usage is x watts is run Y seconds , it uses XXY joules of…
A: The energy unit used by electrical utilities in their monthly bills is the kilowatt-hour.
Q: is that the same answer if the unit is J/kg*K?
A: We know that the upper and lower fixed points in the Celsius scale and the Kelvin scales are…
Q: Convert 10^3 g x L^-1 to kg x m^-3
A: Answer 103 gL-1=103 kg m-3
Q: If A=3ĵ, A⨯B=12î, and A·B=27, find B.
A: Given:A=3ĵA⨯B=12îA·B=27
Q: The unit of measure called the "newton" is:
A: The unit of measure called the "newton" is:
Q: Choce the comect vechy v d g praen Upw Úpg iwg Upw
A: Velocity is a vector quantity, so its followed vector laws of addition.
Q: Shouldn't r be squared
A:
Q: can you extend the answer until letter H?
A:
Q: if Å = 2êx - 3êy+ ê2 3eyt e z e z B= 3e, Bey- 3eyt e z C=46 Calculate: dire ction of A.C
A: Given, A→=2e^x-3e^y+e^zB→=3e^x-3e^y-e^zC→=4e^x-3e^y+e^z So,…
Q: Hi, I just want to verify if what is the raise number, is it 9 or 4? Thank you.
A: The answer is 5×104
Q: The figure shows vertical parallel plates of length L=5 cm separated by 4 cm. Electrons (mass me =…
A: Given : Length of the parallel plates L=5 cm distance between plates d=4 cm=0.04 m distance from…
Q: O Gilen the Vectors ů = 2% -j+ K ad 7 = 3i -3j + K fird the ūy. product Also find Peo Gnd campare st…
A:
Q: George O'Malley weighs 150 kg and he is riding his car going to Manila as it moves to a speed of 15…
A: The mass m=150kg The speed =15m/s To find the kinetic energy
Q: What is the ΔKE if a grocery cart is pushed 12 m with a force of 15N?
A: Given Force on grocery cart F = 15 N Distance to which grocery cart is pushed d = 12 m To find…
Q: For A = 2â – lŷ, B = 2ŷ- 12, and C = lu +32 compute the following: %3D
A:
Q: Wh at if the height of an object is negative? -0.07 m?
A: Given data: The height of an object is hi=0.07 m.
Q: Find the lem of a solid sphere whose volume mass densityp- kr and whose mass - 6 kg and radius - 1.2…
A: given, ρ=kr6 m=6kg r=1.2m
Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/s when it hits the ground,…
A: The kinetic energy of the rock just before it hits the ground will be KE=12mv2=126kg5m/s2=75J
Q: You have 2 positive charges, Q+ and +4Q. Ther are fixed on the axis shown on the image. They are 1.2…
A:
Q: A box is put on frictional surface at rest, if only a 150 N is applied, the box will cover X…
A: Solution: It is given that, F1=150 N, box covers X distance in 5 sF2=250 N, box covers 3X…
Q: A uniform where is cut into luo pieces such that one piece is truice as long as other. The two…
A: The resistance of the resistor in the right gap is given as, R=20 Ω, The length of one piece of wire…
Q: How many significant digits does 1200 have? O 2 O Unknown О з 4.
A: Significant figures are the number of digits in a value, often a measurement, that contribute to the…
Q: prove that: T Vs V =, 2n 2
A: To prove: VL = 12π∫0π Vs2 sin2ωt dt = VS2 We have the relation, VL = 12π∫0π Vs2 sin2ωt dt…
Q: he equation is derived fro Vf
A:
@
Step by step
Solved in 2 steps