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A diffraction grating has 350 lines/mm and is illuminated at normal incidence by white light. A spectrum is formed on a screen 30cm from the grating. If a 10mm square hole is cut in the screen, its inner edge being 50mm from the central maximum, what range of wavelengths passes through the hole?
On her return trip, she drives half the time at 43.0 and half the time at 74.0. What is Julie's average speed on the way to Grandmother's house. What is her average speed on the return trip
Two long parallel wires 40 cm apart are carrying currents of 10 A and 20 A in the opposite direction. What is the magnitude of the magnetic field halfway between the wires
A constant current of I = 15 A exists in a solenoid whose inductance is L = 42.2 H. The current is then reduced to zero in a certain amount of time. If the current goes from 15 to 0 A in a time of 75 ms, what is the emf induced in the solenoid
You fire a gun horizontally that is 25m off the ground and the bullet goes at 200m/s. What is the time it takes for the bullet to hit ground, how far down range does bullet travel, and what is the resultant velocity (in m/s) and final angle.
When chasing a hare along a flat stretch of ground, agreyhound leaps into the air at a speed of 10.9 m/s, at an angle of 25° above the horizontal. What is the range of his leap
An evacuated spherical diving bell containing a camera is in the ocean at a depth of 195 m. Find the magnitude of the total force on the port
A slingshot will shoot a 19 g pebble27.0 m straight up. How much potential energy is stored in the sling shot's rubber band
A house sits in a valley and is 30 m lower than the water tower that serves it. What is the speed of water when it sprays out of a shower in the house?
q1. what is the dissimilarity in your blood alcohol level between a full and empty stomach after you drank 3 malted
A particle of mass "m" moves in a straight line with retardation proportional to its displacement. Find the expression for loss of KE for any displacement "x"
A cart is moving horizontally along a straight line with constant speed of 30 m/s. At what speed(relative to the cart), and angle must the projectile be fired
Suppose that two objects attract each other with a gravitational force of 16 units. If the distance between the two objects is doubled, what is the new force of attraction between the two objects
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