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A particle experiences two simultaneous harmonic motions x(t) = x1(t) + x2(t), where x1(t) = cos(3t) and x2 = cos(3.2t + pi/6). Simplify x(t) and determine the beat period.
A 2.25kg mass is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of 20.6N is required to hold the mass at rest when it is pulled 0.215m from its equilibrium position, Calculate the total energy of the oscillating..
q1. oxygen o2 gas within a piston-cylinder assembly undergoes an expansion from a volume v1 0.02 m3 to volume v2 0.03
A spacecraft descends vertically near the surface of Planet X. An upward thrust of 26.0 from its engines slows it down at a rate of 1.20, find the spacecraft's weight near the surface of Planet X
The distance between the eyepiece and the objective lens in a certain compound microscope is 24.5 cm. Find the overall magnification of the microscope
question1a diver springs upward from a board that is 2.85 meters above the water. at an instant she contacts the water
A spherical balloon is made from a material whose mass is 3.00 kg. The thickness of the material is negligible compared to the 1.4 m radius of the balloon. Find the absolute pressure of the helium gas
A gunner wants to fire at a target at a horizontal distance of 12500 m from his position. If his gun fires with a muzzle speed of 700 m/s and if g = 9.81 m/s^2, what is the correct elevation angle
A 318 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 624 mmHg. compute the moles of Ar present.
A single slit 1.0mm wide is illuminated by 500nm light. What is the width of the central maximum (in cm) in the diffraction pattern on a screen 4.0m away
A bullet of mass mb = 16 g is fired with a speed of 260 m/s at a target that is a sheet of metal (mass mt = 410 g). what is the angular velocity of the target plus bullet just after the bullet hits
A nuclear power plant has an electrical power output of 1067MW and operates with an efficiency of 45%. what is the rise in temperature of the flowing water
A 1200 kg car rounds a corner of radius r = 45m. If the coefficient of static friction between the tires, what is the greatest speed the car can have in the corner without skidding
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