The density of blood is 1.05 kg/m3, find the mass of a bag of blood for a transfusion, if the volume is 2.0 m3.

A diffraction grating with 210 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At what angle from the beam axis will the first order peak occur if the tube emits light with wavelength of 506.0 nm

Why was the theory of plate tectonics met with challenges from other scientists when it was first proposed? a. there was no evidence to support it b. the scientist who proposed it was obviously biased c.

What fraction of a given sample of radioactive nuclide remains after four half lives?

A conducting sphere of radius r1 = 0.21 m has a total charge of Q = 2.9 μC. A second uncharged conducting sphere of radius r2 = 0.48 m is then connected to the first by a thin conducting wire.

What conditions, common to most stars including our sun, appear to be necessary in order for fusion reactions to take place?

Classify each of the following as a conductor, semiconductor, or insulator. Air, Gold, Silicon, Rubber, Aluminum.

In a lab, a 5 L sample of gas with a pressure of 6 atm was transferred to a one liter flask. Temperature was held constant. What was the pressure of the gas in the one liter flask? c. 15 octo A5 on ottont b o ta

A person stands on top of a tall building holding two rocks at a height of 50 meters. At the same moment, one rock is dropped from rest while the other is thrown downwards with an initial velocity of 8.0 m/s.

How can solar weather affect our lives on Earth?

7. True or False? The rules governing youth workers is the same for all youth, on the farm or not.