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A flight attendant pulls her 60 N flight bag a distance of 358 m along a level airport floor at a constant velocity. The force she exerts is 38 N at an angle of 50° above the horizontal.
A 200g block on a frictionless surface is pushed against a spring with spring constant 500N/m, compressing the spring by 2.0cm. at what speed does it shoot away from the spring
Find the moment of inertia of a solid uniform sphere of radius R which has a spherical cavity of radius R/2. The spherical cavity is centered at a point R/2 from the center of the sphere. Take the axis of rotation to go through the center of the sphe..
In figure 5-49, three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude T3. Calculate (a) the magnitude of the system's acceleration, (b) the tension T1, and (c) the tension T2 in terms of T3 and the ..
A concave mirror forms a real image which is twice the size of the object. calculate the radius of curvature of the mirror
Two lenses, one converging with focal length 20.5cm and one diverging with focal length ?10.5cm , are placed 25.0?cm apart. Determine the magnification of the final image formed
A spaceship of mass 2.00 106 kg is to be accelerated to a speed of 0.820c. What minimum amount of energy does this acceleration require from the spaceship's fuel, assuming perfect efficiency?
A laser is mounted in air, m above the edge of a large, horizontalpane of crown glass (n = 1.520), as shown in the drawing. The laser is aimed at the glass in such a way that thereflected beam is 100% polarized.
The speed of a particle moving in a circle 2.0 m in radius increases at the constant rate of 4.4 m/s2. what is the speed of the particle
An object 0.600 cm tall is placed 17.0 cm to the left of the vertex of a concave spherical mirror having a radius of curvature of 24.0 cm. determine the height of the image and describe the image. upright/virtual / real/ inverted/ enlarged/ behind th..
after leaving the end of a ski ramp a ski jumper lands downhill at a point that is displaced 60.4 m horizontally from
A VW Beetle goes from 0 to 65.7 mi/h with an acceleration of +2.34 m/s^2. Find the acceleration of the dragster
For a double-slit experiment with slit spacing 0.2 and wavelength 600, at what angular position is the path difference equal to one-fourth the wavelength.
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