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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A planet of mass 8 × 1024 kg is at location ‹ -4 × 10^11, 7 × 10^11, 0 › m. A star of mass 7 × 1030 kg is at location ‹ 5 × 10^11, -5 × 10^11, 0 › m. What is the force exerted on the
Assume that the block is not moving initially. In unit-vector notation (Fx i + Fy j), what is the force on the block from the wall?
Inside the tube is a uniform electric field of 4.50 x 10-4 N/C pointing in the negative y-direction. How far does the particle travel before hitting the tube wall? Neglect any gravitational forces.
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A toaster rated at 1005 W operates on a 120 V household circuit and a 4.00 m length of Nichrome wire as its heating element. The operating temperature of this element is 328°C. What is the cross-sectional area of the wire?
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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