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Q1. A CD has a playing time of 53.1 minutes. While the music starts, the CD is rotating at an angular speed of 498 revolutions per minute (rpm). At the end of the music, the CD is rotating at 200 rpm. Find out the magnitude of the average angular acceleration of the CD
Q2. A screen is placed 42.7 cm from a single slit that is illuminated with light of wavelength 677 nm. If the distance between the first and third minima in the diffraction pattern is 3.45 mm, what is the width of the slit?
Respond in units of mm
question1a plate of mass m moves horizontally with speed v on a frictionless table. a mass m is dropped vertically onto
Three 25.0-ohm resistors are connected in series across a 60.0-V battery. What is the equivalent resistance of the circuit and What is the current in the circuit
An 84 kg skier is being pulled by a boat with a force of 240 N causing the skier to accelerate at 1.4 m/s^2. Find out the drag force on the skier.
A small spherical insulator of mass 8 x 10 kg and change +0.600 micro Coulomb is hung by a tin wire of negligible mass. A charge of -0.900 micro Coulomb is held 0.150 m away the sphere and straight to the right of it, so the wire makes the angle with..
Two long, straight, parallel wires of length 3.6 m carry parallel currents of 3.2 A and 0.9 A. What is the magnitude of the force between the two wires
A block slides down an inclined plane, starting from rest and being pushed with a constant acceleration of 4.60 m/s2 over the distance of 20.80 cm. It then decelerates at the constant rate of 1.03m/s2 (because of friction), until it again comes to..
What is the total distance traveled by a car if for 130 m with a deceleration of 1.20 m/s^2 and 50 m with a deceleration of 7.10m/s^2?
A 4x 11 swimming pool slopes linearly from a 1.20 depth at one end to a 3.80 depth at the other. What is the mass of water in the pool.
In NYU's Diffraction and interference lab for general physics 2, what are the widths given on the slide with the double slits. On the lab manual it says they were given on the slide.
A 3.00 kg block starts from rest at the top of a 29.0 degree incline and slides 2.00 m down the incline in 1.65 s. Find the frictional force acting on the block
A 100 meter length of steel changes temperature by 30 C during the course of a day. If the coeffcient of thermal expansion of steel is 12 parts per million per C, what is the change in length of the steel
A 5.60 kg of mass is pressed against a spring with a spring constant of 12500 N/m. how high above the ground does it go before coming to a stop
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