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A force of 4.6 Newton is required to stretch a certain spring by 1.0 centimeter. Find how far must the spring be stretched for its potential energy to be.025 Joule? Find how much stretch is required for the spring potential energy to be .075 Joule?
Three deer, A, B, and C, are grazing in a field. Deer B located 64.00 m from dear A at an angle of 50° north of west. Deer C is located 76° north of east relative to dear A. The distance between deer B and C is 93m. What is the distance between de..
a vibrating structural beam in a spacecraft can cause problems if the frequency of vibration is fairly high. even if
Consider a balloon containing nitrogen molecules at room temperature (20°C) and atmospheric pressure. what is the number of molecules in the balloon
A hydrogen atom is in its first excited state (n = 2). Using the Bohr theory of the atom, calculate (a) the radius of the orbit, (b) the linear momentum of the electron.
A sled slides along a horizontal surface on which the coefficient of kinetic friction is 0.28. Its velocity at point A is 8.0 m/s and at point B is 4.8 m/s. Use the impulse-momentum theorem to find how long the sled takes to travel from A to B.
A thin film of oil (n = 1.22) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, the film reflects most powerfully red light at 640 nm and reflects no light at 512 nm. What is the minimum thickness of the ..
dangerous dan a scottish bricklayer throws a brick as hard as he can at 100 ms srraight up in the air. what is the
Three blocks, each of mass 14.0 kg are on a frictionless table. What is the net horizontal force on block A
During the spin cycle of your clothes washer, the tub rotates at a steady angular velocity of 33.1 rad/s. Find the angular displacement of the tub during a spin of 60.7s, expressed both in radians and in revolutions.
a man in search of his dog drives first 10 mi northeast then 26 mi straight south and finally 1 mi in a direction 30deg
When you put water in a kitchen blender, it begins to travel in a 3-cm-radius circle at a speed of 1 m/s. How quickly is the water accelerating
A 2-mol ideal gas system undergoes an adiabatic process where it expands and does 20 J of work on its environment. How much heat is received by the system
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