Magnitude-direction of the sum of momentum of two joggers
The 85-kg jogger is heading due east with a speed of 2.5 m/s. A 55-kg jogger is heading 24° north of east with a speed of 3.7 m/s. Determine the magnitude and direction of the sum of momentum of the two joggers.
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The glass window is installed in the window space and the intensity level of the sound entering via the window is decreased from 72 dB to 47 dB. The factor, by which the acoustic power entering the chamber is decreased by the glass window, is near
The physical pendulum is made by using a 2 kg object encompassing a moment of inertia of 25.9 kg-m2 regarding its center of mass. The rotation (or suspension) point is 970.5 cm from the center of mass. Determine the period of the physical pendulum
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An irregularly shaped conductor having a volume of 18.2 cubic centimeters consists of a charge of -4.2µC. Determine how many surplus electrons are on the surface of the conductor?
Let, consider two small spherical conductors. Sphere 1 carries a charge of 4.8 uC while the sphere 2 carriers a charge of -8.1 uC. The spheres are brought to contact and then separated. Find what will the charge of sphere 1 be?
An Isolated charged sphere having a mass of 18.0g and charge -16uC is hanging on a string in a uniform horizontal electric field of strength 1550N/C directed to the left. Determine the angle made by the string with respect to the vertical (taking
The force of 12 N is applied to the handle of the screw-driver being employed to pry the lid off a paint can. As the force moves via a distance of 0.3 m, the screw-driver does 3.2 J of work on the lid. Determine the effectiveness of the screw-driv
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