A ruby laser delivers a 18.5-ns pulse of 2.30-MW average power. If the photons have a wavelength of 694.3 nm, how many are contained in the pulse? Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. photons

E1. Suppose that a pancake recipe designed to feed five people calls for 310 grams of flour. How many grams of flour would you use if you wanted to reduce the recipe to only feed two people? {A: E2. Suppose that a cupcake recipe designed to produce 16 cupcakes calls for 240 grams of flour. How many grams of flour would you use if you wanted to make 20 cupcakes? E3. It is estimated that eight medium pizzas are about right to serve a physics club meeting of 32 students. How many pizzas would be required if the group, due to a conflicting math club meeting, was only going to have 20 students in attendance? A: E4. A child uses her hand to measure the width of a tabletop. If her hand has a width of 8 cm at its widest point, and she finds the tabletop to be 16.5 hands wide, what is the width of the tabletop in cm? In meters? Ε11. Area is found by multiplying the length of a surface times the width. If a floor measures 5.28 m², how many square centimeters does this represent? How many square…

Q3, Q,4 and Q5