Physics, 16.06.2020 03:57 xarianna2007
If 10 calories of energy are added to 2 grams of ice at -30° C, calculate the final temperature of the ice.
Answers: 3
Physics, 21.06.2019 19:30
Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star
Answers: 1
Physics, 22.06.2019 07:30
The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface
Answers: 1
Physics, 22.06.2019 10:30
The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water
Answers: 2
Physics, 22.06.2019 11:20
The ultracentrifuge is an important tool for separating and analyzing proteins. because of the enormous centripetal accelerations, the centrifuge must be carefully balanced, with each sample matched by a sample of identical mass on the opposite side. any difference in the masses of opposing samples creates a net force on the shaft of the rotor, potentially leading to a catastrophic failure of the apparatus. suppose a scientist makes a slight error in sample preparation and one sample has a mass 10 mg larger than the opposing sample. if the samples are 12 cm from the axis of the rotor and the ultracentrifuge spins at 70,000 rpm, what is the magnitude of the net force on the rotor due to the unbalanced samples? ( be thorough on your answer)
Answers: 3
If 10 calories of energy are added to 2 grams of ice at -30° C, calculate the final temperature of t...
History, 12.11.2020 09:20
Mathematics, 12.11.2020 09:20
Arts, 12.11.2020 09:20
English, 12.11.2020 09:20
Mathematics, 12.11.2020 09:20
English, 12.11.2020 09:20
Chemistry, 12.11.2020 09:20
Social Studies, 12.11.2020 09:20
History, 12.11.2020 09:20
Arts, 12.11.2020 09:20
History, 12.11.2020 09:20