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Light from an argon laser strikes a diffraction grating that has 5365 grooves per centimeter. The central and first-order principal maxima are separated by 0.488 m on a wall 1.7 m from the grating. Determine the wavelength of the laser light. nm
State Newton's three laws of Motion and What is the difference between elastic collision and inelastic collision
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.90 m/s2 for 4.45 s, With what speed does the car then strike the tree
bob whose mass is 36 kg stands at the center of a 200 kg merry-go-round that is spinning at 30 rpm. What is the spinning rate now
a thin rod of length 10.3m and mass 20kg is supported at a 30 degree incline. one support is 2.4m and the other is 8.3m from the lower end of the rod, Find the normal force exerted on the rod by the upper support answer in units of N
A wire 11.80 m long carries a current of 1.30 A and makes an angle of 35.0 degrees with a uniform magnetic field of magnitude B=10.50 T. Calculate the magnitude of the magnetic force on the wire.
On a workday the average decibel level of a busy street is 65 kb, with 121 cars passing a given point every minute. If the number of cars is reduced to 33 cars every minute on a weekend, what is the decibel level of the street.
Two 0.80g spheres are charged equally and placed 2.0cm apart. When released, they begin to accelerate at 160m/s^2. What is the magnitude of the charge on each sphere?
A string is attached to the center of a solid cylinder. The cylinder sits on a horizontal surface made of concrete and rolls without slipping. find the magnitude of the static friction acting on the cylinder
When doing a sound experiment, you recorded the sound of a single frequency sound when it was stationary. What frequency did you hear as your friend rode away from you
If a person's food energy intake is 2400 kilocalories per day and if all this energy is given off as heat, what is the average rate of heat output in watts
A diatomic gas does 320 J of work and also absorbs 600 cal of heat. What is the change in internal energy of the gas
A spherical capacitor of inner radius 10 cm stores 10nC of charge when charged with 10V. Find s capacitance, its outer radius and the volume between the two spheres
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