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A laser beam of unknown wavelength passes through a diffraction grating having 5530 after striking it perpendicularly. Taking measurements, you find that the first pair of bright spots away from the central maximum occurs at 14.8 with respect to the original direction of the beam.
At what angle will the next pair of bright spots occur?
The atmospheric density at an altitude of 2500 km is about 1 molecule/cm3. find the mean free path predicted by the equation below
A rifle with a weight of 30 N fires a 6.0-g bullet with a speed of 200 m/s. find the recoil speed of the man and rifle
A positive point charge Q1 = 5.0*10-5 C is fixed at the origin of coordinates, Find the location(s) where the total electric field is equal to zero
A hoop and a disk, both of 0.46- m radius and 3.0- kg mass, are released from the top of an inclined plane 3.0 m high and 9.0 m long. What is the speed of the disk
What is the final speed of the crate after being pulled. On a very muddy football field, a 100 linebacker tackles an 80 halfback. Immediately before the collision, linebacker is slipping with a velocity of 8.5 north and the halfback is sliding with..
A car starts from rest and then accelerates uniformly to a linear speed of 16 m/s in 42 s. If the tires have a radius of 27 cm, what are the following.
What is the radius of the pen. How far should it now sail to reach its original destination.
What is the frequency of the waves?
A 140 g air-track glider is attached to a spring. The glider is pushed in 12.00 cm and released. A student with a stopwatch finds that 9 oscillations take 10.0 s.
The ice has a thickness of 4.75 10-4 m, and the windshield has an area of 1.25 m2. The density of ice is 917 kg/m3. Explain how much heat is required to melt the ice?
questionrefrigerant is flowing while a frac34 inch o.d. copper tube under conditions such that its mixed temperature is
A muon formed high in Earth's atmosphere travels towards Earth at a speed v = 0.97c for a distance of 4.1 km as measured by an observer at rest with respect to Earth. Compute the gamma factor associated with the muon
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