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How many Rh R h atoms would have to be placed side by side to span a distance of 9.5 μm μ m ?

You are on an interstellar mission from the E arth to the 8.7 light-years distant star Sirius. Your spaceship can travel with 70% the spee d of light and has a cylindrical shape with a diameter of 6 m at the front surface and a le ngth of 25 m. You have to cross the interstel lar medium with an approximated density of 1 hydrogen atom/m3. (a) Calculate the time it takes your spaceshi p to reach Sirius. (b) Determine the mass of interstellar gas th at collides with your spaceship during the mi ssion.

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y oesX O Take Test HW Chapter 4 (Secton X bbhosted.cuny.edu/webapps/ussesamentutaknake cmm sement id 1542497 18course id= 1917457.18content id= 49193511 1&question num 3x=0&toggle state=qShow&s. a Yfirst Login Q Queensborough Co. Q TigeriD Setup O Queensborough Ta. C) Test Information Description Instructions Multiple Attempts Not allowed. This test can only be taken once. Force Completion This test can be saved and resumed later. * Question Completion Status: A Moving to another question will save this response. « > Question 3 1 points Save Answer There are 8 performers who are to present their acts at a variety show. How many different ways are there to schedule their appearances? 8 O 56 64 O 40,320 A Moving to another question will save this response. Question 3 of 12>

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Badiation Homeworl s A star of radius 6.95 x 10° meters has tempera ture of 10,000 K. Assuming its perfect cadietor, a) Caleulate the power radiated by the Star, b) How mueh is cadiated in energy one day ? zS A selid sphere ot redivs 30 em is heated to soo'C befoce beine pleced inside of a refrigerator ukose tempesature is 5'e. If the sphere the can radiete at 25% what is power cadiated while iaside the ret sngeietor?

Badiation Homeworl > A star of radius 6.95x 10% meters has tempera ture of 10,000 K. Assuming its perfect cadietor, a) Calculete the power redicted by tle Star. b) How much energy is radiated in one day s A solid sphere of redius 30 em is heated to soo°C befoce beine pleced inside of refrigerator ukose temperatore is 5'C. If the sphere can radiete at 25 % the a what is power cadieted while inside the ref sigeretor?

II. Power A. Sample Problems: 1 W-500 Joules t=25 seconds P=? 1 P=25 watts W-5000 Joules t=? 1 P=170 watts t=20 seconds W = ? bons Formula: Substitution: Answer with unit of measure: Formula: Substitution: Answer with unit of measure: Formula: Substitution: Answer with unit of measure: how I msidor siqma2 A 21519m 02-b W 1 If a man moves a large box that weighs 10 Newtons 20 meters in 30 seconds, how much power was used?

A block is given an isutal velncity of 5.00 m/vup a fractioniess inclium of im hlack to sde befare coing tn rest 20 as shown itn the given Figure, How boug does il take the 10 s 3.0 s 6.5 s 1.5 s

Then, why the answers are different when I use different formulas, dB= 10log (I/ I0) and I= I0 10^-ax? The first one is 5e-5 W/cm^2 and the second one is 5e-23 W/cm^2.

what is the rate that sun loose energy by radiation?Given the sun temperature is about 6000k and its radius is 6.95x10^5 kms ( answer shouild be in watts)

Alg x O Ma X Gwh x 6 Mo X k Tay x Edp x k Tay x + web.kamihq.com/web/viewer.html?document_identifier=bl4pfThaLm3kmdRhpLNuBP13tERHFcZDSPjpivbln1Vz6UaUMa-005SoPfFNoOsKJX%3A%3A01YQRAS. C ia e ***** 0 « F2 @ 2 Tay X W S Alt Taylor Mulcahy - Chapter 2 Pretest.pdf F3 X Tay x # 3 E Roscoe Parrish has a vertical leap of 1.2 m. a. What must Roscoe's takeoff velocity be to reach this height? D Con X F4 b. What is Roscoe's hang time? (total time in the air?) ex $ 4 C R Dell X F5 TI F 6 % 5 V HOL F6 T G 8 A 6 B DELL F7 Y H & 7 F8 7 2 U N 4 F9 * 8 8 9 1 M F10 6 O ( 9 +243% K 2 F11 PrtScr O < () O 6 L Alt :39 Turn In 1 3 F12 Insert P : ; Ctrl Turn In 201 *D Home BA { V T ? + = 11 Page 3/5 10:13 PM 10/18/2022 I Page Up End } 0 5 Del Back ←

07.1. Given the following values for P₁, P2, and 1₁AL₁, calculate AH₂: (a) P₁(0, 0, 2), P₂(4, 2, 0), 27a-A-m; (b) P, (0, 2, 0), P₂(4, 2, 3), 27a₂A-m; (c) P₁(1, 2, 3), P₂(-3,-1, 2), 27(-a, +a, +2a₂)µA-m.

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What fraction of the total volume of an iceberg is exposed above the surface of the ocean? DATA for the densities of sea ice and water: Use these values to 4 significant figures: 919.0 kg/m^3 and 1033 kg/m^3 A: 0.0469 OB: 0.0530 OC: 0.0599 OD: 0.0677 OE: 0.0765 OF: 0.0864 OG: 0.0977 OH: 0.1104

Physics Comet C/1995 O1 (Hale-Bopp) has a gas production rate for H2O of Q = 8.35 x 1030 molecules per second at 1.5 AU. Estimate the radius of its nucleus in km. (Use 3 sig. figs.)

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The spectial energy energy disticbulions of the gun hae a maximum At 4650 A°. If temperature of sum is 6000ºk what is temperatque of the star for which this maximum is 9402. Aº°. Help alss !!

The churge deisity asphre of glvn काि hब ऊगर पु pc,@,¢)= Krcos (20) sind pus (oe (Kunstant) of the sphee कdड मिण्र नजय cos 2XSinxdx= Te(-4x+4Sin&x-5h 4x calulute the t p ot dipok manut may need the followilag intyoad you nou b. Find the leading exparsion af the potarial at points r away from term in the multipok the

Scientists at the U.S. National Institute of Standards and Technology measured a force of 174 yN exerted by a weak electric field on a vibrating “crystal” of 60 9Be1 ions cooled to 0.5 mK in an electromagnetic trap. (M. J. Biercuk et al., arXiv.org:1004.0780v3 [quant-ph] 24 Apr 2010.) (a) Express the force in newtons in scientific notation. (b) Express the temperature in kelvins in scientific notation. (c) The gravitational force on a mass m at Earth’s surface is F 5 GMm/r2, where G is the gravitational constant (insideback cover), M is the mass of the Earth (5.98 3 1024 kg), and r is the radius of the Earth (6.38 3 106 m). Find the mass of 60 Be1 ions in kg. Find the gravitational force on 60 Be1 ions in N and yN.

The most massive stars in the Universe have a surface temperature that can reach over 50 000 K. Life on planets like Earth cannot exist at 1AU from such stars, it's too hot. Find the emitted power per square meter of peak intensity for a similar star with 43000 K that emits thermal radiation. Express your answer to two significant figures.

Apão e r Given R₂0 (r) = 90 Bohv 'qo to where radius & 'A' is normalization Constant. Using the normalization Condition foo R²wr² dr = 1 evaluate A ?. Hint: [USE GAMMA-Integral.)