If a jet of gas ejected from a black hole is moving directly toward an observer at a speed of 0.95 times the speed of light, what is the opening angle of the cone into which half of the light is emitted?

Q: In a water pistol, a piston drives water through a larger tube of area A, into a smaller tube of…

A: Given data: The diameter of larger tube is d1 = 1.4 cm. Considering the density of water is ρ=1000…

Q: A and C please

A: Given Data: Dam height, H=15 m Dam width, W=20 m Water density, ρ=1000 kg/m3 Using g=9.8 m/s2

Q: Suppose the bond in a molecule is broken by photons of energy 5.0 eV. Part A Determine the frequency…

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Q: E and F

A: We are given energy released per second from sun. This is the luminosity of sun. We know that 4 H…

Q: Problem 1 a through c.

A: Given:Two identical metal balls with the same net charge hanging with the help of a thread…

Q: Determine the pressure p2, in lb/in2, and the amount of energy transfer by work, in Btu.

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Q: Which figure shows X + B? OA A A cal ܘܢܚܢܐ[ E

A: Here in the question, two vectors are given and we have to find the resultant of those two vectors.

Q: An Olympic swimming pool is 50m long, 25 m wide, and 2 m deep. (a) Make a plot of pressure as a…

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Q: en that the capacitors C₁ = 5.8 µF, C₂ = 14.8 μF, and C3 20.8 μF are connected to ttery with V 17.9…

A: C1=5.8μF C2=14.8μF C3=20.8μF V=17.9 V

Q: d and e

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Q: i need help with part e

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Q: Q.4: A 1-kg particle is attached to the end of a rope (J), It rotates in a vertical circle of radius…

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Q: E is not correct

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Q: A tennis player swings her 1000 g racket with a speed of 11 m/s. She hits a 60 g tennis ball that…

A: Given: Mass of racket is 1000 g Rocket's Speed is 11 m/s Mass of tennis ball is 60 g and speed -is…

Q: (c) How many radians have the wheels turned through in that time? 33.3 Xrad (d) How far (in m) has…

A: (c) Applying wf2-wi2 = 2*alpha*theta wi is the initial angular speed = 0 rad/s wf = 33.3 rad/s alpha…

Q: A long rod, radius R, that has uniform positive charge density p is spun around its central axis…

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Q: i.j= Ok D-к 00 1 0 Do

A: Scalar product or dot product of two vectors is defined as,  A.B = ABcosθ Where bold letters…

Q: Q1. Chapter 11 Calculate the heat needed to convert 10.0 g of ice at -25.0°C to water at 80.0°C. The…

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Q: Four small spheres of equal mass m, two with a charge +q, and two uncharged are connected by…

A: Velocity is maximum when electrostatic potential energy is minimum, ie, when the string is straight.

Q: 60v R₁ = 62 W R3 = 100 -W- R₂= 1492

A: given          V = 60v          R1=6Ω          R2=14Ω          R3=10Ω

Q: A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of…

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