Monochromatic 545-nm light is incident on a 15-μm-wide slit. part a if the diffraction pattern is cast on a screen 660 mm from the slit, what is the linear distance from the center of the pattern to the n = 4 dark fringe?

Suppose you were asked to find the torque about point p due to the normal force n in terms of given quantities. which method of finding the torque would be the easiest to use?

An object has a weight of 500 on earth what is the mass of this object

The temperature in gavin's oven is a sinusoidal function of time. gavin sets his oven so that it has a maximum temperature of 280°f and a minimum temperature of 240°. once the temperature hits 280°, it takes 20 minutes before it is 280° again. gavin's cake needs to be in the oven for 30 minutes at temperatures at or above 270°. he puts the cake into the oven when it is at 260° and rising. how long will gavin need to leave the cake in the oven? (round your answer to the nearest minute.)