Answers: 1
Physics, 22.06.2019 08:30
An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?
Answers: 1
Physics, 22.06.2019 12:10
Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
Answers: 2
Physics, 22.06.2019 14:30
The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
Physics, 22.06.2019 15:00
Give an example in which the electrical energy changes to light energy
Answers: 1
When a viscous fluid flows in a tube, its velocity is ....
Mathematics, 01.10.2021 06:30
Mathematics, 01.10.2021 06:30
Social Studies, 01.10.2021 06:30
Business, 01.10.2021 06:30
Arts, 01.10.2021 06:30
Mathematics, 01.10.2021 06:30
History, 01.10.2021 06:30
Spanish, 01.10.2021 06:30