Physics, 21.07.2019 20:30 texas101st78
Afeather of mass 0.001 kg falls from a height of 2 m under realistic conditions it experiences air resistance based on what you know about friction what can you say about the kinetic energy of the feather as it reaches the ground
Answers: 1
Physics, 22.06.2019 08:30
How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
Answers: 2
Physics, 22.06.2019 14:40
During the experiment if you could triple the breakaway magnetic force with all other quantities left unchanged, what is the new value for the critical velocity if it was v0 (initial velocity), initially? (b) now if you halved the radius with all other quantities left unchanged, what is the new critical velocity if it was v0 (initial velocity), initially? (c) if during the experiment, critical velocity quadrupled with all other quantities left unchanged, what is the new breakaway force if its magnitude was initially f0,?
Answers: 1
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, 22.06.2019 22:00
On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m
Answers: 1
Afeather of mass 0.001 kg falls from a height of 2 m under realistic conditions it experiences air r...
Health, 07.10.2021 14:00
English, 07.10.2021 14:00
Biology, 07.10.2021 14:00
Social Studies, 07.10.2021 14:00
Mathematics, 07.10.2021 14:00
Biology, 07.10.2021 14:00
History, 07.10.2021 14:00
Physics, 07.10.2021 14:00
Biology, 07.10.2021 14:00