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Is it true that unlike mechanical waves electromagnetic waves can travel through a vacuum such as you would find in space?
Why does dust stick to mirrors?
Why are high energy waves dangerous?
When skydivers jump out of a plane they move down through the air faster and faster as they fall. Once they reach a speed of about 200 kilometres per hour they no longer speed up. Explain why.?
How can you tell if a circuit is parallel?
What causes objects to look blurry?
Is sheetrock an conductor or a insulator?
What type of feedback used in the oscillator circuit?
Why after a swim in hot day out of water still feel cold?
When white light strikes an black object?
What was it about the motion of a pegilum that struck Gallelio as a significant?
What are the 12 parts of the nacelle of a wind turbine?
Which type of em spectrum has the order highest to the lowest wavelength?
In photosynthesis the source of electrons is?
What scientific principle did he use to sling a stone?
How many grams to 1 kg?
A cruise ship is having troubles with buoyancy. What is a reasonable solution?
What is a ability to blend in called?
What do you study for a force and motion test?
Does a train push or pull?
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