In 1986, several robotic spacecrafts were sent into space to study the halley's comet. which of these statements best explains why humans should continue to send robotic spacecrafts into space? a. they absorb harmful radiations in space. b. they change weather conditions on earth. c. they discard some myths about objects in space. d. they destroy meteors and comets which might strike earth.
Answers: 1
Physics, 22.06.2019 00:30
Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.
Answers: 1
Physics, 22.06.2019 01:30
Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33
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Physics, 22.06.2019 12:30
Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j
Answers: 1
In 1986, several robotic spacecrafts were sent into space to study the halley's comet. which of thes...
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