Physics, 05.10.2021 14:00 kaneisha20
A toy plane with a mass of 1.00 kg is tied to a string and made to travel at a speed of 21.0 m/s in a horizontal circle with a 15.0-m radius. The person holding the string pulls the plane in, increasing the tension in the string, increasing the speed of the plane and decreasing the radius of the plane's orbit. What is the net work done on the plane if the tension in the string increases by a factor of four and the radius decreases to 14.0 m.
Answers: 1
Physics, 22.06.2019 04:00, zoepatterson1p0lij1
When an object is heated it contracts. a. true b. false
Answers: 2
Physics, 22.06.2019 17:40, tylercapozzoli
Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
Answers: 1
Physics, 22.06.2019 20:50, dondre54
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
A toy plane with a mass of 1.00 kg is tied to a string and made to travel at a speed of 21.0 m/s in...
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