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An airplane with a speed of 89.1 m/s is climbing upward at an angle of 48.4 ° with respect to the horizontal. When the plane's altitude is 548 m, the pilot releases a package. Relative to the ground, determine the angle of the velocity vector of the package just before impact.
A beam of natural light with an irradiance of 330 W/m^2 impinges on the first of two consecutive ideal linear polarizers whose transmission axes are 67.0° apart
Three carts of masses Three carts of masses m1=6.0 kg, m2=12.0 kg, and m3=5.0 kg move on africtionless horizontal track with speeds of v1 =5.0 m/s, v2 =3.0 m/s, and v3 =-4.0 m/s,as shown in Figure . The carts stick together after colliding. Find t..
Two slits spaced 0.410mm apart are placed a distance of 71.0cm from a screen. What is the distance between the second and third dark lines of the interference pattern on the screen
A 3 kg block slides along a frictionless surface at 1.0 m/s. A second block, sliding at a faster 5.0 m/s, What is the mass of the second block
In 2.8 days the number of radioactive nuclei decreases to one-eighth the number present initially
among the most controversial topics in physical science global warming has received a great deal of attention during
A isolated conducting sphere R=3.0 cm has a charge placed on itssurface. The surface charge density is uniform and has the value-7.2x10^(-6) C/m^2.(1) Find the total charge on the sphere, (2) themagnitude and direction of the electric field at r=R.(3..
If the backpack begins to slide when the spring ( = 150 ) stretches by 2.40 , what is the coefficient of static friction between backpack and table.
A train is travelling up a 4.5 degree incline at a speed of 3.25 m/s when the last car breaks free and begins to coast without friction. a) How long does it take for the last car to come to rest momentarily? b) How far did the last car travel befo..
An inductor has an inductance of 0.074 H. The voltage across this inductor is 30 V and has a frequency of 850 Hz
A commuter train blows its horn as it passes a passenger platform at a constant speed of 35.0 m/s. t is the frequency observed by a person on the platform as the train approaches
Design an amplifier using a 741 that has a gain of 20. What are the input and output impedances of your amiplifer
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