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physics
Questions
What is the magnetosphere?
What is the solar wind?
What is the bow shock?
Why is the magnetotail formed?
Explain how the Earth's magnetic field protects us from solar wind.
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physics
Questions:
State the law of reflection.
If the angle of incidence is 40°, what is the angle of reflection?
Draw a normal line and label the incident and reflected rays.
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Direct Common Tangent
Two circles with radii 10cm and 6cm have their centers 20 cm apart. How long is their external common tangent L?
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Physics: Mechanics
An 8.0-newton block is accelerating down a frictionless ramp inclined at to the horizontal, as shown in the diagram below. What is the magnitude of the net force causing the block's acceleration?
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