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Problem: You compress a spring by a certain distance. Then you decide to compress it further so that its elastic potential energy increases by another 50%.
Part A: What was the percent increase in the spring's compression distance?
I need help to find the percent increase in the spring's compression distance.
a wide rectangular channel has a slope s 0.02. the bed and walls of the channel are paved with concrete. the value of
At t=0 a ball is thrown upward from the ground. Two seconds later, the ball hits the ground. Assume g=10m/s2. What is the maximum height of the ball. What is the initial velocity of the ball?
A resistor with 325? and an inductor are connected in series across an ac source that has voltage amplitude 520V . The rate at which electrical energy is dissipated in the resistor is 234W. What is the amplitude of the voltage across the inductor
A 0.72 mm diameter hole is illuminated by infrared light of wavelength 2.5 micrometers. What is the angle of the first dark fringe
A thermos contains 130 cm3 of coffee at 85° C. To cool the coffee, you drop two 13-g ice cubes into the thermos, What is the final temperature of the coffee
What is the resistance of a 1.20m long copper wire that is 0.300 mm in diameter
A model airplane with mass 0.743 kg is tethered to the ground by a wire so that it flies in a horizontal circle 29.7 m in radius. The airplane engine provides a net thrust of 0.810 N perpendicular to the tethering wire.
An obnoxious brat assigns his 0.0215-kilogram pet mouse Mickey the role of stunt mouse by stuffing him into a spring gun and shooting him up into the air at some angle. How high above his initial location in the gun does Mickey soar
A girl with a mass of 47.1 kilogram running at a speed of 6.58 m/s jumps onto a stationary skateboard with a mass of 8.99 kilogram. Find what is their combined speed after the collision
The extracellular fluid volume varies with the size of the person. What is the total amount of Na+ in the ECF
Logan is given an initial speed of 4.00 m/s down a 20 %u030A incline. when he reaches the bottom of the incline
The typical radius of an atomic nucleus is about 5.0x10-15m. The velocity of a proton is measured to an accuracy of plus or minus 1.0x104 m/s. Compute the uncertainty in position of this proton.
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