Physics, 27.02.2020 03:55 lasagnafoe
A solid nonconducting sphere of radius R carries a charge Q distributed uniformly throughout its volume. At a certain distancer1 (r1< R) from the center of the sphere, the electric field has magnitude E. If the same charge Q were distributed uniformly throughout a sphere of radius 2R, the magnitude of the electric field at the same distancer1 from the center would be equal to .
Answers: 3
Physics, 21.06.2019 14:10
Amachinist needs to remove a tight fitting pin of material a from a hole in a block made of material b. the machinist heats both the pin and the block to the same high temperature and removes the pin easily. what statement relates the coefficient of thermal expansion of material a to that of material b? a) the situation is not possible, heating block b will shrink the hole in the material as the material expands with increasing temperatureb) material b has the same coefficient of expansion as does material ac) material b has a negative coefficient of expansion and a has a positive coefficient of expansiond) material a has a greater coefficient of expansion than does material be) material b has a greate
Answers: 1
Physics, 22.06.2019 07:20
Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?
Answers: 3
Physics, 22.06.2019 17:30
Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves
Answers: 2
Physics, 22.06.2019 22:20
The starship enterprise is caught in a time warp and spock is forced to use the primitive techniques of the 20th century to determine the specific heat capacity of an unknown mineral. the 125-g sample was heated to 96.3°c and placed into a calorimeter containing 85.9 g of water at 20.0°c. the heat capacity of the calorimeter was 14.2 j/k. the final temperature in the calorimeter was 24.5°c. what is the specific heat capacity (in j/g°c) of the mineral? enter to 4 decimal places.
Answers: 1
A solid nonconducting sphere of radius R carries a charge Q distributed uniformly throughout its vol...
Mathematics, 18.05.2021 08:00
Mathematics, 18.05.2021 08:00
Mathematics, 18.05.2021 08:00
Mathematics, 18.05.2021 08:00
Social Studies, 18.05.2021 08:00
Mathematics, 18.05.2021 08:00
Mathematics, 18.05.2021 08:00
Mathematics, 18.05.2021 08:00
Spanish, 18.05.2021 08:00
World Languages, 18.05.2021 08:00
Mathematics, 18.05.2021 08:00
Physics, 18.05.2021 08:00
English, 18.05.2021 08:00
History, 18.05.2021 08:00