A 15 kg block is on a ramp which is inclined at 20o above the horizontal. It is connected by a string to a 19 kg mass which hangs over the top edge of the ramp. Assuming that frictional forces may be neglected, what is the magnitude of the acceleration of the 19 kg block
Answers: 3
Physics, 22.06.2019 16:30
Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?
Answers: 2
Physics, 22.06.2019 17:20
Properties seen when one one substance changes to another are known as properties
Answers: 1
Physics, 22.06.2019 19:30
Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f
Answers: 1
Physics, 22.06.2019 20:30
Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3
Answers: 1
A 15 kg block is on a ramp which is inclined at 20o above the horizontal. It is connected by a strin...
Business, 31.12.2020 05:10
Physics, 31.12.2020 05:10
Engineering, 31.12.2020 05:10
Physics, 31.12.2020 05:10
Computers and Technology, 31.12.2020 05:10
Business, 31.12.2020 05:10
Health, 31.12.2020 05:10
Computers and Technology, 31.12.2020 05:10
Mathematics, 31.12.2020 05:10