Answers: 1
Physics, 22.06.2019 02:30
Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.
Answers: 2
Physics, 22.06.2019 19:30
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
Physics, 23.06.2019 11:00
Olympic skier tina maze skis down a steep slope that descends at an angle of 30∘ below the horizontal. the coefficient of sliding friction between her skis and the snow is 0.10. i found maze's acceleration which is 4.1 m/s^2. but how do you determine maze's speed 4.0 s after starting?
Answers: 2
Physics, 23.06.2019 12:10
What is a transverse wave? how do the particles in the medium move in relation to the energy of the wave? does this wave require a medium?
Answers: 1
Aplace that is typically cold because of an increase in altitude would most likely have what type of...
Biology, 02.07.2019 20:30
Computers and Technology, 02.07.2019 20:30
Mathematics, 02.07.2019 20:30
Chemistry, 02.07.2019 20:30
History, 02.07.2019 20:30
Computers and Technology, 02.07.2019 20:30
Business, 02.07.2019 20:30
Spanish, 02.07.2019 20:30