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Consider a force F = 80 N applied to a beam as shown in Fig. 8-37. The length of the beam is ? = 5.0 m,and ? = 37°, so that x = 3.0 m and y = 4.0 m. Of the following expressions, which ones give the correcttorque produced by the force F? around point P?(a) 80 N. (b) (80 N)(5.0 m). (c) (80 N)(5.0 m)(sin 37°).(d) (80 N)(4.0 m) (e) (80 N)(3.0 m). (f) (48 N)(5.0 m).(g) (48 N)(4.0 m)(sin 37°).
A double slit experiment is performed with sodium(yellow) light of wavelength 589.3nm and the interference pattern is observed on a screen 100 cm away. determine the separation between slits
A car rounds a banked curve. The radius of curvature of theroad is R, the banking angle is ?, and the coefficient of staticfriction is µ. Determine the range of speeds the car can have without slipping up or down the road
A series RLC circuit has a resistance of 10 ? and an impedance of 80 ?. If the rms voltage applied to the circuit is 170 V, what average power is delivered to the circuit
The sun's mass is 2 x 10^30 kg, and theaverage radius of Jupiter's orbit is 7.8 x 10^11 m. FInd the orbital velocity of Jupiter
Suppose there was a process by which two photons, each with momentum 0.60MeV/c ,could collide and make a single particle. find the maximum mass that the particle could possess
electrons can penetrate the nucleus because the nuclear material exerts no forces on them other than electric forces.
Blocks with masses of 1.0 kg, 2.0 kg, and 3.0 kg are lined up in a row on a frictionless table. How much force does the 2.0 kg block exert on the 3.0 kg block
A 141 kg block is released at a 4.9 m height as shown. The track is frictionless except for a portion of length 7.3 m . The blocktravels down the track, hits a spring of force constant k = 1042N/m . The coefficient of kinetic fric- tion between su..
A square loop with 80 tight turns and sides 15 cm is made with copper wire of diameter 1.2 mm. determine the current induced in the loop
Rusting of an iron nail is an example of a change of phase, true or false? This seems like a tricky question, because it is a chemical change-but would that be considered a change of phase?
A microscope has an objective lens of focal length 6.55 mm. The objective forms an image 16.2 cm from the lens. What is the distance between the lenses
The linear coefficient of thermal expansion for concrete is 12x10^-6 ºC^-1. Consider a slab of concrete which is 4.0 m long at 0.0 ºC. What seems to be the primary safety concern in the lab
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