Answers: 3
Physics, 21.06.2019 22:30, celibe9391
What is the earliest point in the universe that we can observe? why can’t we see back further than this?
Answers: 2
Physics, 22.06.2019 19:30, isiahb123
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 04:31, destinysmithds7790
Ahockey puck sliding along frictionless ice with speed v to the right collides with a horizontal spring and compresses it by 3.0 cm before coming to a momentary stop.
Answers: 2
a force is something that causes change in motion . what provides the force that made the cart speed...
Mathematics, 30.05.2020 21:57
Mathematics, 30.05.2020 21:57