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Q2: Radar involves using an electromagnetic wave to
Q2: For both diverging and converging lenses,a ray
Q8: If you needed to estimate the number
Q11: The intensity of sunlight impinging on Earth
Q17: If you increase the pressure on the
Q22: A 3.0 V battery that can store
Q26: A battery does 10.0 J of work
Q30: A toy rocket is launched vertically from
Q35: A 7 kg sample of mercury is
Q38: A flask contains a mixture of argon