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Question 1 A spring has a spring constant of k = 7.500N/m. If the spring is displaced 0.5500 from its equilibrium position, what is the force that the spring exerts?
Question 2 A spring of spring constant k = 8.250 N/m is displaced from equilibrium by a distance of 0.1500 m. What is the stored energy in the form of spring potential energy?
Question 3 What was the work done in stretching the spring in questions 2 from its eqilibrium position to a displacement of 0.1500m?
Assume that the balloon rises slowly so that the temperature inside is the same as outside. Illustrate what will happen if the balloon is made up of rigid material?
If the phase angle for a block-spring system in SHM is pi/6 rad and the block's position is given by x = xm cos(wt + pi). what is the ratio of the kinetic energy to the potential enery at time t = 0
For a very simple model, consider a solid iron sphere 2.00 cm in radius. Assume the temperature is always uniform throughout its volume. Find the energy of one photon
In an L-R-C series circuit, 310 ohm, 0.405 H, and 6.03×10-8 F. When the ac source operates at the resonance frequency of the circuit, What is the voltage amplitude of the source
a plane locked on cruise control flying due east at 300ms but its resultant velocity is 300.66ms at 3.8 south of east.
A planet with mass 7 x 1024 kg orbits a sun with a period of 1 Earth's years. The speed of the planet around that sun is constant and |v|=49600 m/s
Two boxes are connected to each other. The system is released from rest and the 2.00kg box falls through a distance of 1.00m. what is the tension in the connecting string
A bismuth target is struck by electrons, and x-rays are emitted, Estimate the M- to L-shell transitional energy for bismuth when an electron falls from the M shell to the L shell
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons, How many electrons are there in 1.79 liters of water
A 250 kg flatcar 25 m long is moving with a speed of 3.0 m/s along horizontal frictionless rails. how far has the flatcar moved
Two waves traveling on a string in the same direction both have a frequency of 125 Hz, What is the amplitude of the resultant wave if the original waves differ in phase by each of the following values
a rifle with a mass of 2.8 kg fired a bullet with a mass of 0.003 kg. the bullet moves with a muzzle velocity of 420 m/s after the rifle is fired
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