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A block of weight wt1 = 409 N sits on a frictionless table of mass 118 kg. The block is connected via frictionless pulley to a hanging block with weight wt2 = 172 N. (Ignore any minor frictional effects and assume the pulley to be massless.)
1) What is the magnitude of the acceleration of the block on the table? |a1| =? m/sec2
2) What is the magnitude of the acceleration of the block hanging over the side? |a2| = ?m/sec2
3) What is the tension in the rope connecting the two masses?
An initially motionless test car is accelerated uniformly to 1.20 × 102 km/h in 8.68 seconds before striking a simulated deer. The car is in contact with the faux fawn for 0.455 seconds, after which the car is measured to be traveling at 65.5 km/h..
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Suppose the barrel has a length of 0.511 m and an opening whose radius is 2.55 x 10-3 m. A bullet (mass = 2.6 x 10-3 kg) has a speed of 433 m/s after passing through this barrel. Ignore friction and determine the average pressure of the expanding ..
A sprinter of mass 63.7 kg runs at a constant speed of 10.8 m/s in a straight line. Find the extra force the sprinter must exert on the ground
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