Which of the following statements is correct?
1) Alpha, beta, and gamma rays all give the same radiation dose.
2)Alpha radiation always causes more damage than X-rays.
3)Ultraviolet is as ionising as gamma rays and X-rays.
4)Long exposure to low-energy radiation could give the same dose as a short burst of high-energy radiation.
Answers: 3
Physics, 22.06.2019 08:30
You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm
Answers: 2
Physics, 22.06.2019 08:30
Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.
Answers: 3
Physics, 22.06.2019 16:40
The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .
Answers: 3
Physics, 22.06.2019 22:00
Agirl throws a ball. if the ball's acceleration is 12 m/sec/sec and its mass is 0.5 kg, how much force did the girl apply to the ball?
Answers: 1
Which of the following statements is correct?
1) Alpha, beta, and gamma rays all give the same radi...
English, 19.12.2019 06:31