Physics, 04.12.2019 06:31, marianabeel230
You are given two carts a and b. they look identical and you are told they are made of the same material. you place a at rest at an air track and give b a constant velocity directed to the right so that it collides elastically with a. after the collision cart b moves to the left. what do you conclude?
(a) cart a is hollow.
(b) the two carts are identical.
(c) cart b is hollow.
Answers: 3
Physics, 22.06.2019 16:50, boopiee2349
Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.
Answers: 1
Physics, 22.06.2019 18:00, abigail018
Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.
Answers: 1
Physics, 22.06.2019 19:20, jacorey77
On a hot saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 22degreesc. at noon the air conditioner is turned off, and the people go home. the temperature outside is a constant 33degreesc for the rest of the afternoon. if the time constant for the building is 4 hr, what will be the temperature inside the building at 4 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? at 6 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? when will the temperature inside the building reach 24degreesc? 324281
Answers: 3
You are given two carts a and b. they look identical and you are told they are made of the same mate...
English, 24.10.2020 23:10
Health, 24.10.2020 23:10
English, 24.10.2020 23:10
Mathematics, 24.10.2020 23:10
Mathematics, 24.10.2020 23:10