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Question1
A source emits 531.62-nm and 531.81-nm light.
(a)What least number of grooves is required for a grating that resolves the two wavelengths in the first-order spectrum?
(b) Conclude the slit spacing for a grating 1.32 cm wide that has the necessary minimum number of grooves.
Question2
In outer space, far from other objects, block 1 of mass 70 kg is at position < 10, 10, 0 > m, and block 2 of mass 800 kg is at position < 22, 10, 0 > m. What is (vector) gravitational force acting on block 2 because of block 1?
Question3
David is driving a steady 25 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a stable 2.70 m/s^2 at an instant as David passes. How far does Tina drive before passing David?
What is her speed as she passes him?
The company's tax rate is 30% and its discount rate is 15%. Illustrate what is the net present value of the asset?
At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.8 m until, Find the change in its velocity during the turn
Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au^2+), each with a mass of 3.27 x 10^-25 kg. Determine the radius of the path
A water filled pipe has water flowing at 5.70 m/s in a section of pipe where the diameter is 19.2 cm, What is the volume flow rate through the smaller pipe
A commonly used method of fastening one part to another part is called "shrink fitting." A steel rod has a diameter of 2.0023 cm, By how many Celsius degrees should the rod be cooled
Daisy throws a rock horizontally with a speed of 12 m/s from a bridge. It falls 2.28 s before reaching the water below. When the rock hits the water it is traveling with what horizontal component of the velocity.
A particular fish tank filled with fresh water (n = 1.33) has a coral reef sticker stuck to an exterior wall, What is the index of refraction of the tank's walls
A defensive lineman of mass M = 115 kg makes a flying tackle at vi \= 4.00 m/s on a stationary quarterback of mass m = 76 kg, calculate the shear stress exerted on the bone in the collision.
Consider a system consisting of two long, concentric solenoids. The larger solenoid has current running in counter clockwise fashion. Find the magnetic field strength inbetween the solenoids. positive number if it is up
An ideal gas expands at a constant pressure of 2.9 atm from 435 mL to 709 mL. Heat then flows out of the gas, determine the total heat flow into the gas
the specific heat of aluminum is .215 calories per gram per degree celcius. calculate the amount of heath required to raise the temperature
A drunk driver in a 1700 kg car plows into a 1300 kg parked car with its brake set. how fast was the drunk going just before the collision
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