Answers: 2
Physics, 22.06.2019 11:30
Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.
Answers: 2
Physics, 23.06.2019 09:00
Which statements best describe medical uses for radioactive isotopes? check all that apply. radioactive isotopes are used to detect medical problems. high-energy gamma rays are injected into the body. radioactive isotopes are used to treat some diseases. radiation is used to kill cancer cells. radioactive isotopes are directed at tumors from outside the body.
Answers: 1
Physics, 23.06.2019 18:00
An unknown mineral sample has a mass of 318 g and a volume of 120 cm³. which mineral could the sample be? a. gypsum (density = 2.3 g/cm³) b. quartz (density = 2.65 g/cm³) c. apatite (density = 3.1 g/cm³) d. zircon (density = 4.65 g/cm³)
Answers: 3
Physics, 23.06.2019 19:00
Aspherical ball of charged particles has a uniform charge density. in terms of the ball's radius r, at what radial distances inside and outside the ball is the magnitude of the ball's electric field equal to 14% of the maximum magnitude of that field? a)inside the ball: b) outside the ball:
Answers: 3
What is the mechanical advantage of a lever that has an input arm of 6 meters and an output arm of 2...
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