True or false: Electromagnetic radiation cannot travel through a vacuum.
A
True
B
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Physics, 29.10.2020 01:00 ashleyann9549
True or false: Electromagnetic radiation cannot travel through a vacuum.
A
True
B
False
Answers: 2
Physics, 22.06.2019 10:30
Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
Answers: 1
Physics, 22.06.2019 12:20
Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2
Physics, 22.06.2019 14:30
What is the relationship between the direction of motion of the balloon and the wind currents
Answers: 1
Physics, 22.06.2019 17:30
Which planet do you think would be easiest for humans to colonize some day?
Answers: 1
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Mathematics, 31.08.2019 16:50
Mathematics, 31.08.2019 16:50
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Mathematics, 31.08.2019 17:00
Mathematics, 31.08.2019 17:00
History, 31.08.2019 17:00
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