What is the frequency of blue light that has a wavelength of 476 nm?

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Transfer chemicals from one location to another to weather objects. a-water b-physical weathering c-chemical weathering

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.