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A 32-kg block attached to a spring of constant k = 12 kN/m can move without friction in a slot as shown. The block is given an initial 300-mm displacement downward from its equilibrium position and released. Determine 1.5 s after the block has been released
(a) the total distance traveled by the block,
(b) the acceleration of the block.
A 50-kg disk is fired along the positive x axis with a speed of 9 m/s toward a 57-kg disk that is initially at rest. estimate the speed of the 50-kg disk after the collision
A piece of iron is heated with a torch to a temperature of 673 K. How much more energy does it emit as blackbody radiation at 673 K than it does at room temperature, 293 K?
question1a woman walks 290 m in the direction 37deg east of north then 177 m directly east. finda magnitude andb angle
What is the uncertainty in the ball's horizontal momentum in a direction perpendicular to that in which it is being thrown if the student throwing the ball knows that it is located within a cube with volume 1000cm3 at the time she throws it
A log-raft was made by lashing some logs together, where each log has a diameter 0.45 m and length 3.80 m. How many logs should be there in the raft to have 10 men safely afloat on the raft in sea water
A ball is shot from the ground into the air. At a height of 9.60 m, the velocity is observed to be v = (7.70 m/s) i + (7.00 m/s) j. What is the maximum height that the ball will rise
A 2.71 g sample of KCl from the chemistry stockroom is found to be radioactive, and it is decaying at a constant rate of 4490 Bq. Calculate the half-life of this nuclide
A basketball player makes a jump shot. The 0.700 kg ball is released at a height of 2.00 m above the floor with a speed of 7.70 m/s. The ball goes through the net 3.10 m above the floor at a speed of 4.30 m/s. What isthe work done on the ball by a..
A blood vessel of radius r splits into four vessels, each wit radius r/3. If the average velocity in the larger vessel is v, find the average velocity in each of the smaller vessels.
2-page report, single spaced, font 12 pts. Times New Roman, and 1 inch margins. Your report should contain a discussion of how anyaspect of what you learned in your visit(s) connects to any class material (Ch. 1 thru 14) covered. Tell me what yo..
A moving particle encounters an external electric field that decreases its kinetic energy from 9910 eV to 6840 eV as the particle moves from position A to position B.
What is the average velocity for the round trip
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