Determine the magnitude of the friction force
A rifle bullet with a mass of 11.0 g traveling toward the right at 247 m/s strikes a large bag of sand and penetrates it to a depth of 24.5 cm. Determine the magnitude of the friction force (assumed constant) that acts on the bullet.
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Calculate the electric field generated by cable A at middle-point between two cables. Calculate the total electric field at middle-point between cables?
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