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Question: A 500 gram mass is placed on a spring which lies on a frictionless surface. The spring has a spring constant k = 750 (N/m) and is at its equilibrium length.
1. The spring is stretched so that it is 10.0 cm longer than its equilibrium length. How much elastic potential energy (in Joules) is stored in the spring now?
2. Now the spring from #1 is released, what is speed of the mass as it passes through the equilibrium point (x=0)?
Heat is extracted from a certain quantity of steam at 100 degrees celsius. Thus the steam changes into ice at 0 degrees celsius. If this energy were used to accelerate the ice from rest, what would be the linear speed of the ice.
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Two charges, q1 = −3.00 mC and q2 = 4.50 mC, are located at −2.00 cm and 3.00 cm on the x axis, respectively. What are the magnitude and direction of the resulting field at (a) x = −3.00 cm? (b) x = 0 cm? (c) x = 5.00 cm?
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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?
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if you hace 10 degree angle and the means time is .52second the initial hight is .042m the long is .426m and the final
to completely fill a frame of 35 mm film the image produced by a camera must be 36 mm high. if a camera has a focal
A steel ball ( 66.45 g) located 103.15 cm above the ground isshot in the horizontal direction. Calculate the momentum of the steel ball in the horizontal direction
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