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A wave travels at 92 m/s and has a wavelength of 2.8 m. Calculate the wave frequency (in Hertz).
A diffraction grating with 13700 lines per 2.54 cm (i.e., per in.) is utilized to view the visible spectrum from a Hydrogen gas excited with an electrical discharge. At what angle from the beam axis will the first order peak for the red photons by wa..
An L-R-C series circuit, R=150 ohms, L= 0.750H, and C= 1.70x10^-2uF. The source has a voltage amplitude of 140V, What is the average power delivered by the source
A parallel-plate vacuum capacitor has 6.36 J of energy stored in it. The separation betweenthe plates is 2.20 mm. If the separation is decreased to1.85 mm,
A Mercedes-Benz 300SL (m = 1700 kg) is parked on a road that rises 15 degrees above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires? Important: Assume that the..
A battery has three cells connected in series, each with an internal resistance of 0.014Ω and an emf of 2.00 V. How much current is in each cell
A spool whose inner core has a radius of 1.00 cm and whose end caps have a radius of 1.50 cm has a string tightly wound around the inner core. What is the speed of the spool's ground-touching point
A fisherman wants to know the mass of a trout he just caught but does not have scales. What is the mass of the fish
an empty hollow metal sphere has a potential of 160 v with respect to ground defined to be at v 0 and has a charge of
A soccer player kicks the ball toward a goal that is 29.0m in front of him. Find the speed of the ball when the goalie catches it in front of the net
In a Young's double-slit experiment with electromagnetic radiation that is not necessarily visible, What kind of radiation is being used
(a) What are the factors and the treatments? How many subjects does the experiment require? (b) Outline a completely randomized design for this experiment. (You need not actually do the randomization.)
A 681 kg crate is lifted to the top of a building with an acceleration of 3.37 m/s2. Find the force exerted by the cable on the crate
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