What is the direction of the magnetic field b⃗ ab→ab_a_vec at point a?.

Lin yao looks at the back of a spoon. how should she describe her reflection? upside down and smaller upside down and larger right-side up and smaller right-side up and larger

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.