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For a double-slit experiment, the inside edges of two 1.65-mm wide slits are separated by a distance of 1.31 mm. The slits are illuminated by a laser beam with wavelength 633 nm. If a screen is plac
using only this device and one or more 3-ohm resistors design a circuit so that the device will opeate properly when the circuit is connected across a bettery of emf 24 volts and negligible internal
Water at a pressure of 4.5 atm at street level flows into an office building at a speed of 0.7 m/s through a pipe 5 cm in diameter. The pipe tapers down to 2.6 cm in diameter by the top floor, 20 m
A solenoid 1.50 m long and 2.80 cm in diameter carries a current of 13.0 A. The magnetic field inside the solenoid is 19.0 mT. Find the length of the wire forming the solenoid.
Transverse waves are being generated on a rope under constant tension. Determine the factor by which the required power is changed in each of the following situations.
By moving the bricks the man decreases the rotational inertia of the system to 2.0 kg·m2. (a) What is the resulting angular speed of the platform?
A house sits in a valley and is 45 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? (For simplicity you may assume that the the to
A proton with a speed of 2.0 x10^5 m/s falls through a potential difference V annd thereby increases its speed to 4.0 x10^5 m/s. Through what portential difference did the proton fall?
A skydiver of mass 80 kg jumps from a slow-moving airplane and reaches a terminal speed of 50 m/s. What is the acceleration of the skydiver when her speed is 30 m/s? Let down be the positive directi
A 1.60m diameter wagon wheel makes one revolution in 3.70s . What's the tangential speed of a point in its rim?
1) A Michelson interferometer is illuminated with a normal, monochromatic beam of light. When one of the mirrors of the interferometer is moved 2.53 X 10^-5 m it is observed that 92 fringe pairs (b
If the eyepiece with a focal length of 2.5 cm is used with a final image at infinity, what will be the overall angular magnification of the microscope?
What is the orientation of the coil with respect to the magnetic field when the maximum induced voltage occurs?
Josh starts throwing his pitch; we assume that his arm moves in a perfect circular arc, and his arm is 0.7 m long. If he needs to release the ball with a tangential velocity of 35m/s what centripeta
Calculate the thickness if the balloon has a radius 0.1 meters and the density of lead is given by 11.3E3 kg/m^3.
If the frequency is variable and the length of the closed (at both ends) tube is fixed at 45 cm, sketch the plastic tube showing the positions of the nodes and anti-nodes for the three lowest resona
Using a 60 cm focal length converging lens, one wishes to obtain a virtual image which is four times as large as the object. Where must the object and image be?
A virtual image is formed by a convex mirror that has a 30 cm focal length. Where must the object be placed if the image size is to be half the size of the object? Verify with a ray diagram.
A mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 3.24 cm. a) If the spring constant is 234 N/m and the mass is 0.580 kg, determine the mechanical energy of the
A lead bullet with a mass of 0.02 kg traveling at 198 m/s strikes an armor plate and comes to a stop. If all the energy is converted to heat and absorbed by the bullet, what is the temperature chang
After the car has stopped, what is the change in temperature of the brake pads and rotors? You do not have to enter units for this problem, only the numeric value to two decimal places.
A bottle containing 6.6 kg (mass) of water at a temperature of 28.2 oC is placed in a refrigerator where the temperature is kept at 1.9 oC. How much heat is transferred from the water to cool it to th
An aluminum wing on a plane is 34.8 m long when the temperature is 20 oC. At what temperature would the wing be 0.06 m shorter? Enter your answer to one decimal place and do not enter units for this
A ball (M=0.5 kg) is rotated in a horizontal circle on the end of a string that has a maximum tension of 50 N. What is the maximum speed the ball can have before the string breaks?