Physics, 08.03.2020 00:38 rachelkim999
6. In a competition, Mike lifts a 100 kg weight from the floor in 2 sec. Brian also
lifts a 100 kg weight to the same height above the floor, but takes him 3 sec. to do so.
a. Who does more work?
b. Who generates more power?
Answers: 2
Physics, 22.06.2019 14:30
Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?
Answers: 3
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
6. In a competition, Mike lifts a 100 kg weight from the floor in 2 sec. Brian also
lifts a 100...
lifts a 100...
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