Physics, 28.06.2019 02:10 alyxkellar06
Asatellite orbits earth at an altitude of 350 km. what is its orbital period? a) 1.1 min b) it can not be determined without the satellite's mass. c) 65 min d) 91 min e) 1440 min
Answers: 2
Physics, 22.06.2019 05:20
A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you
Answers: 3
Physics, 22.06.2019 22:50
Cyclotrons are widely used in nuclear medicine for producing short-lived radioactive isotopes. these cyclotrons typically accelerate h- (the hydride ion, which has one proton and two electrons) to an energy of 5 mev to 20 mev. this ion has a mass very close to that of a proton because the electron mass is negligible—about 1 2000 of the proton’s mass. a typical magnetic field in such cyclotrons is 1.9 t. (a) what is the speed of a 5.0-mev h-? (b) if the h- has energy 5.0 mev and b = 1.9 t, what is the radius of this ion’s circular orbit?
Answers: 1
Physics, 23.06.2019 00:20
What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules? a. 75% b. 35% c. 25% d. 85%
Answers: 2
Physics, 23.06.2019 07:30
Why would an orange roll of your cafeteria tray if you stopped suddenly
Answers: 1
Asatellite orbits earth at an altitude of 350 km. what is its orbital period? a) 1.1 min b) it can...
Mathematics, 07.12.2020 03:40
Mathematics, 07.12.2020 03:40
Mathematics, 07.12.2020 03:40
Mathematics, 07.12.2020 03:40
Mathematics, 07.12.2020 03:40