Answers: 3
Physics, 22.06.2019 14:20
A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.
Answers: 3
Physics, 22.06.2019 15:10
What does si stand for,when referring to a system of measurement
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 19:30
How many electrons in an atom could have these sets of quantum numbers? =3n=3 electronselectrons =4,ℓ=2n=4,ℓ=2 electronselectrons =6,ℓ=ℓ=−1n=6,ℓ=2,mℓ=−1
Answers: 3
What is the acceleration of the cyclist from 175 to 200 seconds? A. -12 m/s2 B. 0m/s2 C. 12 m/s2 D....
SAT, 03.03.2021 21:30
English, 03.03.2021 21:30
History, 03.03.2021 21:30
History, 03.03.2021 21:30
English, 03.03.2021 21:30
Mathematics, 03.03.2021 21:30
Mathematics, 03.03.2021 21:30
Chemistry, 03.03.2021 21:30
Mathematics, 03.03.2021 21:30
Mathematics, 03.03.2021 21:30
Geography, 03.03.2021 21:30