Physics, 26.12.2019 19:31 sajasolo3467
Three identical stars of mass m form an equilateral triangle that rotates around the triangle’s center as the stars move in a common circle about that center. the triangle has an edge length of l. what is the speed of the stars?
Answers: 2
Physics, 22.06.2019 20:50
Asquare 1m x 1m plate is shown below. all four of its edges are kept at 0 co. at t=0the temperature distribution is given by: y xtsins n75)=.a) using separation of variables determine the temperature distribution t(x,y,t)along the plate at any time t.b) discretize the heat conduction equation +=22222 txtusing a second-order centered difference scheme for the two second derivatives and a first-order forward euler scheme for the first derivative. using von neumann stability analysis, determine the stability criterion for the proposed discretization scheme in terms of , hand t. solve for the maximum allowable time step tmax
Answers: 1
Physics, 23.06.2019 06:20
69. air frictionthe velocity of the satellitea. decreases b. increases c. sometimes increases sometimedecreases d. no effect at all70. the unit of gravitational potential energy isa.jouté b.watt c. newtond.pascal71. which of the following is not influenced by a magneta. cobalt b.copper c.irond. nickel72. one joule of work done in one second by unit positive chargea.1 watt b.1 volt c.1 js d. none73. the most deviated colour of light after passing through a prisea. violet b.red c. green d.yellow4. a coin is placed below a beaker fill with water upto 12 cm isdisplaced by water isa. 9cm b.6cmс.3cmd.7cm
Answers: 1
Physics, 23.06.2019 09:50
Estimates show that the total energy output of the sun is 5 × 1026 j/s. what is the corresponding loss in kg/s of the sun?
Answers: 3
Physics, 23.06.2019 22:20
Which optical device can spread light apart through refraction
Answers: 2
Three identical stars of mass m form an equilateral triangle that rotates around the triangle’s cent...
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